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ПРИМЕРОВ
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140x70=
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30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
чйаай	30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ		
60*690=	799 - 433 =	16100:70 =	569 +179 =
470 * 398 =	984000:82 =	1 * 700 =	467 — 393 а
XII _ Uh —	9190 - 2 =	52 + 391 =	7350:49 =
854000:610 =	8 * 180 =	Я52 - Я(17 а	76600:800 =
694(1  6 —	229 ♦ 56 =	97200:810 =	6400.60 -
6200 x 30 =	482-68 =	6030  7 =	550 + 371 =
97 * R97 —	27000:160 =	40 - 80 =	773 — 351 =
326 - 205 =	777000:70 =	263 ♦ 631 =	500000:50 =
98600:58 =	160 * 50 =	848 - 360 =	620000:20 =
8100:900 =	347 + 419 =	7500:150 =	93 х 20 =
780  40 -	549 - 518 =	3780:7 =	Х+.:
375 * 299 =	640000:640 =	820 х 90 =	572 - 491 =
112 - 87 =	940000:500 =	600 +141 =	368000:92 =
20800:4 =	9100 x 90 =	868 -168 =	663000:300 =
56000:800 =	94 + 784 =	8400'21=	50 х 89 =
80  28 =	72 - 471 =	31500:70 =	75 * 363 =
63 . ЗОЯ -	19500:15 =	84 * 90 =	703 — 438 =
477 - 426 =	16500:500 =	365.619 =	988000:520 =
640000:160 =	700 * 80 =	577 - 491 =	54600:700 =
15900:300 =	461 * 1 63 =	5460:7Я =	730 х 50 =
Я20 * .30 =	845 - 824 =	552000:800 =	141 * 753 а
265 + 638 =	220000:100 =	150 - 30 =	919 — 99 =
974 - 336 =	1760:2 =	359 • 263 =	ЗЯООО: .ЗЯ =
97500:390 =	8500 x 60 =	442 - 439 =	44000:800 =
50400:600 =	716* 4(1 с	44100:63 =	50 * 13=
31 у ЯП a	718 - 24 =	17500:700 =	307 * 935 =
11Я * 407 =	6ЯП - 6Я s	2900 х 20 =	633 - 545 =
808 - 215 =	29400:60 =	551 * 1+11 а	696000:58 =
43000:43 =	100 х 52 =	937 - 474 =	942000:30 =
38500: 700 -	342 + 264 =	6290:37 =	97 * 40 =
ЗЯЛ . 90 -	579 — 60 —	52200:60 =	961 +18 =
51Я - 467 -	2580:86 =	3600 х 20 -	506 - 443 =
992 - 307 =	4800 ‘ 80 =	237 + 254 =	96900:51 =
265000:530 =	Й4П . 9 -	5Я9 - 1 я —	1320’3 -
255000:50 =	65.3+ 148 =	92800:290 =	710*30 =
540 < 90 =	444 - 182 =	89600:800 =	2 • 396 =
208 • 716 =	70200:78 =	34 * 70 =	5П6 — 133 :
849 - 491 =	96400:40 =	130 * 156 =	110000:55 =
689000:53 =	64 х 80 =	750 - 220 =	50400:900 =
2880'3 -	567 +173 =	708000:60 =	350'9 =
160 - 40 =	707 - 583 =	19200:60 =	х < ! * нх а
298 * 546 =	793000:61 =	660 • 9 =	730 - 317 =
	51600:70 =	ХХ5 *	! —	795000:53 =
928000:29 =	190 х 4 =	703 - 70 =	936000:90 =
820000:40 =	614 + 2Я =	732000:61 =	1200 х 90 =
17°.328==	705000:47 =	1200*30 =	738 ’ 48-'
3300:110 =
636000:20 =
528000:22 =
83600:760 =
74800:40 =
52800:880 =
567000:70 =
460 * 80 =
7400 * 50 =
32400:20 =
548 - 470 =
11200:560 =
504 - 338 =
240 * 40 =
165 + 205 =
84700:77 =
220.90 =
324000:36 =
3200:800 =
65
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
108-631 =
82800:23 =
17500:700 =
789000:30 =
212000:20 =
42000:84 =
826000:200 =
469000:67 =
520000:50 =
9900:99 =
20400:600 =
688000:160 =
28200:30 =
424 - 420 =
76000:760 =
92800:800 =
410000:50 =
8500 x 80 =
642000:20 =
24000:40»
8000:200 =
248000:62 =
369000:900 =
234000:780 =
165000:330=
35500:710 =
640 x 70 =
57400:820 =
79500:50 =
756000:4 =
57400:700 =
4200 х 50 =
525000:35 =
12600:700 =
92 + 692=
64800:270 =
920000:20 =
456000:20 =
250000:500 =
90600:60 =
419 - 202 =
946000:220=
74400:40 =
530000:100 =
153000:900 =
96500:500 =
750.40 =
273000:390 =
405000:50 =
639000:710 =
2400:40 =
4400:11 =
47200:80 =
800 x 390»
39600:99 =
70500:50 =
72900:810 =
21000:50 =
4800 x 80 =
73600:92 =
2600 x 90 =
34800:580 =
204000:60 =
6100.60 =
600000:60 =
318000:30 =
648000:24 =
596000:20 =
404 + 463 =
946 -110 =
400000:80 =
15600:300 =
40000:160 =
477000:90 =
914000:200 =
88400:68 =
6840:9 =
66600:370 =
260 > 40 =
98800:200»
720000:72 =
84000:600 =
4200 x 20 =
6890:53 =
18000:60 =
883 - 813 =
9600:96 =
15400:700 =
335000:50 =
66

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ

885000:59 =
846000:300 =
816 - 762 =
549000:610 =
25200:600 =
114000:38 =
390 - 294 =
45200:40 =
66000:600 =
60600:600 =
612 + 332 =
784000:40»
96 • 286 =
74400:930 =
786000:20 =
24000:24 =
560000:80 =
652 - 249 =
126000:300 =
81900:910 =
79200:80 =
870000:580 =
576000:600 =
88000:500 =
16800:24 »
944000:160 =
435000:500 =
869 - 102 =
77000:220 =
62400:800 =
7700:770 =
665000:70 =
507 * 415 =
836000:38 =
90000:200 =
8900 x 70 =
55000:250 =
56500:50 =
42000:30 =
272000:800 =
5100>50 =
589 + 250 =
97300:70 =
576000:600=
834 - 299 =
255000:17 =
76300:700 =
5100 x 80 =
988000:380 =
40000:80 =
74700:900 =
308 - 214 =
602000:86 =
79200:60 =
98000:700=
2200 x 70 =
304000:20 =
186000:930 =
81400:20 =
6300 - 40 =
468000:780=
32.40 =
972 -166 =
52000:520 =
520000:200 =
2900.30 =
34000:85=
11200:80 =
203 * 701 =
390000:300 =
414000:46 =
9000:600 =
968 - 92 =
180000:45 =
9800:70 =
260.60 =
989 - 313 =
300000:50 =
5100:85 =
765000:90 =
87000:87 =
41500:50 =
198 • 616 =
99200:62 =
55400:20 =
7600:760 =
61500:50 =
770000:550 =
69600:80 =
612000:40 =
814-761 =
53400:60 =
77500:500 =
5000:50 =
13800:600 =
88000:88 =
891000:90 =
1700 х 50 =
84000:20 =
848000:800 =
81000:540 =
406000:700 =
68
69
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
239 * 192 =
930000:700 =
234.247 =
96200:74 =
500000:500 =
49.945 =
933 - 861 =
384000:320 =
959000:70=
440 -114 =
19600:980 =
848000:80 =
648 - 619 =
1980:99=
9900 х 50 =
57000:570 =
246. 108 =
9500:950 =
72000:600 =
969000:570 =
5300 х 60 =
40400:40 =
200.880 =
82600:590 =
912000:200=
420 = 90 =
19500:39 =
68000:40 =
465000:930 •
4400:44 =
855000:90 =
9100:65 =
30800:70 =
2000 x 30 =
15200:76 =
31200:600 =
355000:710 =
12800:800 =
487 - 368 =
360000:90=
23000:200 =
430 x 60 =
48000:24 =
2100 x 20 =
79800:19 =
73800:20 =
810-267 =
10800:54 =
785000:500=
522000:6 =
99600:200 =
530 х 70 =
44400:400 =
4500 x 60 =
6240:48 =
94800:600 =
49800:830 =
5000 x 60 =
480000:480 =
658000:470=
855000:90 =
28200:20 =
83200:26 =
80  210 =
1600:400 =
3000 x 40 =
400000:400=
819000:910 =
14700:700 =
4500 x 70 =
965 - 766 =
80000:20 =
58800:400 =
90000:750 =
1600 х 60 =
223 * 708 =
9200:92 =
876 - 807 =
22500:250 =
54400:40 =
808 - 729 =
66300:30 =
95200:14 =
33600:560 
45600:600 =
500 x 50 =
920000:80 =
77000:500 =
630000:70 =
36400:400 =
5600 x 90 =
53100:90 =
2400 x 50 =
87300:97 =
88200:60 =
930.80 =
108000:60 =
31800:600 =
85400:610 =
72600:300 =
37200:930 =
11200:80 =
70
71
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
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968000:880 =
166 + 706 =
2520:63 =
84000:60 =
28000:280 =
567000:90=
8500 * 70 =
450000:900 =
54900:900 =
656000:410=
41400:460 =
335000:50=
42300:9 =
308000:700 =
1800:36 =
35100:90 =
30000:600 =
4900:490 =
54000:100 =
636000:400 =
49600:16 =
84900:30 =
648000:400 =
9000 « 50 =
349 - 248 =
252000:63 =
78000:520 =
593 - 405 =
400000:400 =
550 = 80 =
624000:78 =
92700:90 =
76800:60 =
397 - 242 =
46400:400 =
240000:480 =
550000:50 =
249 * 661 =
967-109 =
903000:21 =
65000:500 =
648000:90 =
45500:91 =
960000:600 =
706-119 =
289000:17 =
31800:30 =
700.550 =
169000:130 =
84000:800 =
260 = 90 =
21000:21=
515000:50 =
630000:700 =
9000:180 =
2000 = 30 =
75000:75 =
710000:50 =
7300 = 40 =
529 + 269 =
102000:60 =
670000:670=
21000:700 =
870000:600 =
15200:8 =
12000:300 =
72000:500 =
940000:47 =
21000:30 =
41000:410 =
31300:60 =
24000:800 =
708000:400 =
189000:630 =
4500:500 =
96600:42 =
25800:600 =
3800 = 40 =
64800:81 =
375000:30 =
9100 = 20 =
188000:2 =
1400 = 30 =
642 + 251 =
69300:99 =
528000:110 =

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30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
98000:20 =
106000:530=
41600:400=
3000 x 50 =
550000:550 =
475000:500 =
859 - 740 =
940000:5 =
66500:50 =
970 - 50 =
758 * 200 =
9000:450 =
11400:30=
285000:500 =
71100:900 =
930000:15 =
19600:70 =
54000:27 =
234000:60 =
150000:500 =
23300:70 =
400 x 930 =
95000:500 =
85800:600 =
281*707 =
976 - 567 =
160000:32 =
882000:600 =
160 х 90 =
278 - 275 =
156000:300 =
867000:30 =
390000:500 =
468000:26 =
98000:50 =
210 х 20=
82500:300 =
96200:20 =
5800 x 30 =
790000:79 =
580000:200 =
640 * 98 =
555000:5 =
351000:90 =
44000:2 =
488000:80 =
64600:330 =
270000:50 =
67000:670 =
88000:200 =
48300:70 =
4410:49 =
39200:70 =
600 х 480 =
280000:40 =
170000:85 =
308000:20 =
203 * 432 =
14800:740 =
87600:30 =
5000 - 60 =
115000:230 =
62300:70 =
8960:28 =
396000:44 =
120000:600 =
4600:92 =
453000:30 =
15000:500 =
180000:60 =
1600 - 80 =
21600:240 =
400 x 20 =
495000:99 =
976000:400 =
851 - 842 =
567000:210 =
184000:20 =
610 - 80 =
864000:270 =
53200:40 =
1200 - 40 =
839 - 49 =
6400:160 =
600:60 =
5400 x 80 =
10200:300 =
9900:99 =
729000:90 =
484000:4 =
581000:70 =

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
1900.40 =
6930:63 =
208000:80 =
6400.50 =
43400:700 =
569 * 280 =
92000:92 =
330000:50 =
830000:83 =
399000:70 =
2500 x 70 =
495000:450 =
39900:700 =
84000:84 =
59600:40 =
388 - 98 =
54600:91 =
384000:60 =
314.415 =
800-138 =
172000:860 =
40000:80 =
8900 x 20 =
SOI - 698 =
57600:640 =
55200:20 =
260 x 40 =
92000:20 =
43200:600 =
6400  60 =
260000:400 =
60500:55 =
29400:700 =
43000:43 =
786000:600 =
603 - 569 =
234000:78 =
18600:31 =
720000:200 =
582000:97 =
51800:700 =
46200:33 =
27000:60 =
5600:560 =
40000:80 =
1100 х 20 =
30100:43 =
400000:80 =
8800 - 80 =
990 - 551 =
34800:580 =
672000:60 =
57600:48 =
67000:200 =
670 х 20 =
360000:240»
966000:60 =
3600 x 30 =
9800:70 =
165000:500 =
2880:32 =
32400:600 =
625 -190 =
470000:940 =
96000:80 =
832000:640 =
90000:90 =
68000:400 =
833000:700 =
810000:100 =
595000:70 =
5900 х 20 =
390 - 386 =
69700:41 =
78000:20=
710000:50 =
249 * 593 =
70400:40 =
74000:200=
168000:400 =
270000:500 =
800000:250 =
23400:600 =
981 - 970 =
67200:840»
336000:400 =
88400:520 =
847000:70 =
1500 x 60 =
720000:600 =
692000:20 =
660 x 20 =
931000:190 =
61200:200 =
814000:740 =
783000:870 =
385000:50 =
594 * 202 =
95200:680 =
45600:600 =
42500:250 =
308000:400 =
692 * 221 =
300000:500 =
90800:40 =
6700.30 =

174000:60 =
78
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iSSsIaSilSsSiliisSasi^sliasHliiallHSsslSsHii S

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ

45000:90 =
9800«90 =
603000:67 =
774000:900 =
220>80 =
720000:900 =
39600:40 =
650000:65 =
582000:600 =
2300 х 80 =
15200:80 =
34000:20 =
4900 x 90 =
84500:50 =
16200:270 =
345000:50 =
54000:200 =
888000:20 =
7100 х 90 =
69000:30 =
90000:600 =
1300x90 =
812000:70 =
960000:500 =
81400:11 =
37200:60 =
864000:18 =
472000:400 =
570 x 20 =
263 + 694 =
843 - 290 =
57600:400 =
38000:950 =
432000:600 =
15000:500 =
8700 x 60 =
26000:65 =
301000:70=
300 x 640 =
628 + 200 =
36000:90 =
80000:500 =
981-138 =
16800:840 =
444000:20 =
4300 x 40 =
209 + 128 =
72600:33 =
28800:600 =
787 - 236 =
230000:46 =
420000:50=
5600 x 30 =
774000:86 =
736000:800 =
664 - 286 =
600000:15 =
450000:500 =
788-759 =
180-60 =
94900:730 =
456000:800 =
45000:20 =
92400:330 =
344000:200 =
9500 x 60 =
582 - 413 =
136000:40 =
3700 x 30 =
24500:350 =
49500:90=
267000:890 =
960x40 =
504000:72 =
41400:60=
740000:74 =
288000:60 =
66400:830 =
828000:400 =
200 -165 =
70500:470 =
18000:60 =
7900 x 50 =
24500:70 =
98900:23 =
553000:700=
518000:70 =
483000:210 =
2700 x 70 =
546000:60 =
236000:40 =
288*10 =
19000:950 =
936000:900 =
310000:310 =
84000:50 =
900 x 240 =
159 * 625 =
294 - 288 =
504000:630 =
776000:80 =
396000:990 =
532000:400 =
4440:74 =
999000:90 =
882000:98 =
87800:20 =
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
71500:65 =
610000:500 -
94000:470=
244000:200 =
768000:48 =
81600:40 =
322000:70 =
405000:450 =
300000:600 =
425000:85 =
40200:670 =
496000:800 =
210000:70 =
825000:550 =
93100:700 =
86000:200 =
35100:27 =
30400:40 =
980000:140 =
69000:30=
8300 x 20 =
31000:620=
730000:200 =
216000:900 =
372000:31 =
240000:500 =
97500:250 =
68000:80 =
672000:48 =
57600:90 =
73500:210 =
402000:20 =
490 x 40 =
644000:92=
92800:400 =
6600 x 40 =
16600:830 =
900000:600 =
500 x 520 =
2000:200 =
86400:900 =
107-.197 =
20800:520 =
322000:140 =
75200:400 =
80000:500 =
594000:54 =
584000:80 =
74000:200 =
93800:67 =
4200:700 =
444000:370=
924000:40 =
46200:660 =
68400:90 =
276000:920 =
25500:50 =
790000:500 =
856000:80 =
888000:37 =
294000:490 =
342000:600 =
688000:160 =
75000:750 =
94600:860 =
82
	30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ			
4К . ЦП -	?1ft - 4 =	906000:300=	9343Я4 =	63000:63 =
ЗЯЛ 4 537 -	527000:31 =	Я10  ял =	9Я7 — ЯКО =	63000'90 —
Л7а_171 -	90000:900=	559 + 105=	296000:740 =	90 - КО с
150000:30 =	Я7П , 7 -	57Я - 193 =	639000:900 =	113 4 417 =
77200:20 =	274 * 44 -	9740 - 33 -	910 х 30 =	1 .Я —12/ =
ТИП . 7 -	ЯЯ9 - 747 =	224000:70 =	373 4 437 =	415000:830 =
713 *374 -	560000:10 =	7Я х КО =	773 - ЗЯ7 =	9500:200 =
ЧЛЗ _43R -	352000:80 =	21 ♦ 114 =	10200:510 =	510.7 =
475000:95 =	55ц « а -	Я55 - 751 =	980000:400 =	1704 7Я9 =
41400:300 -	ЯЗЗ 4 337 =	147000 г 7 =	Я70 х 90 =	976 - 438 =
50 ' 74 —	7ЯЯ — 1 ЯК =	67200:70 =	75 + 597 =	375000:75 =
7Я1 + 74Я -	495000'5-3 =	25 х 20 =	905 — 3 =	972000:900 =
977 _ 1ЯЗ ~	49700:70 =	743 + 579 =	74700:83 =	7000 х 70 в
41 КПП • ЯК =	17.90 =	971 - 775 =	65100:700 =	652 4 252 =
198000:90 =	93 4 917 в	31800:530 =	840x30 =	/1 к — 19а
950 - Я -	591 -171 =	56700:700 =	770 4 733 а	400000:80 =
499 -90 =	4КГ1О • 1Я =	2400 x 50 =	879 — 752 =	57600:900 =
IV.— 14 —	658000:700 =	391 - 456 =	3190 *11 =	440  3 =
ОКЛП • 4Я =	9900  КО =	955 -174 =	18600:600 =	417 4 1Я7 =
9300:300 =	401 — 779 —	184000:92 =	520 х 2 =	7Я9 — 705 -
пял - ко -	7Я5 - 4Я4 =	695000:500 =	763 4 47 =	475000:950 =
1 ля * 471 =	72600:660 =	ЯКЛО х ко =	997 -147 =	880000:800 =
977 _ ЯКО -	592000:80 =	776 4 377 =	77600:97 =	44  30 =
160000:800 =	75 х 20 =	995 - 507 =	376000:80 =	456 +199 =
154000:70 =	477 ♦ 650 =	1540 • 7 =	350х30 =	975 —190 =
740 . КО -	179 — 749 —	792000:800=	137 + 353 =	79ЯО47 в
194 4 3 -	750000:300=	73 х 60 =	660-199 =	56500:50 =
919 — JO -	572000:20 =	404 4 774 =	5ЯЯП•71=	60 х 130 =
Я74Л - 49 -	510 х 4 =	548 - 279 =	63200:40 =	394 4 231 =
’ кяол • ял -	К17 4 208 =	462000:77 =	68 х 40 =	775 — 404 =
—я - ко —	ЯЗЯ — 319 —	333000:90 =	796 4 409 =	300:6 =
9Я9 4 7ЯЯ -	70300:37 =	7600 х 70 =	846 - 483 =	981000:900 =
4ЯЯ _ 799 —	56000:800 =	695 + 711 =	1 ОКПО - 53 =	480 ' /0 -
59000 • 70 -	1100 х 50 =	505 - 394 =	85200:40 =	65 4 715 =
170000:500 =	759 4 7КК =	15600:780 =	140 х КО =	8111 — 5/3 =
990 — Я -	957 — 5-19 —	553000:70 =	317+52 =	ЗЛЯЛ7 в
1Л4 971 -	994000:71=	9000 • 70 =	660 — 499 =	904000:20 =
Я7 - 71 =	810000:50 =	17 + 5Я7 =	162000:90 =	25 х 40 =
3100:810 =	670 x 20 =	834 - 806 =	144000:80 =	194 + 573 =
360000:900 =	377 + 170 =	900000:600 =	880 х 3 =	816 - 682 =
КЛК , ЗЛА -	37Я - 707 =	66600:300 =	1 5Я — Я31 =	ЯЯ/Х1: ЯЯО -
49 — 999 —	16500:150=	7К х 70 =	928 - 850 =	360000:60 =
499 -195-	990000:90 =	S62 + 27 =	52800:33 =	170 х 7 =
440000 * ЯЯ =	3900 x 40 =	573 - 431 =	Я760:6 =	114 ♦ 241 =
ТКЯЛПЛ • 40 -	335 4107 =	164000:82 =	460.9а	792 — 528 =
979 + 7 =	49lo:83 =	318000:600 =	916-161 =	28000:500 =
83
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ

380 + 606 =
936000:780=
306000:20 =
89100:81=
342000:60 =
63600:40 =
69300:900 =
70700:70 =
862 - 309 =
594000:180 =
144000:900 =
19200:240 =
46400:400 =
144000:30 =
910000:650 =
84800:800 =
429000:3 =
51000:50 =
7920:99 =
9900.50 =
77100:30 =
336000:480 =
556000:40 =
980.40 =
92500:370 =
18900:700 =
2900.30 =
898 - 582 =
50400:630 =
31500:90 =
810 - 506 =
136000:68=
49800:600 =
980000:280 =
57600:40 =
9000.70 =
684000:57 =
744000:40 =
183000:610 =
18400:80 =
51300:30 =
22200:37 =
270.20 =
122000:610=
20400:600 =
69300:30 =
13800:69 =
540000:500 =
42000:84 =
204000:600 =
79200:660 =
855000:500 =
56700:63 =
497000:700 =
35700:170 =
240 * 379 =
60000:40 =
152000:80=
940000:50 =
24000:600 =
858000:600=
3380:26 =
7700.50 =
310 + 647 =
650000:650=
231000:70 =
81200:58 =
83200:80 =
414000:23=
24000:800 =
860-515 =
71400:600 =
384000:16 =
20000:500=
1900  40 =
32900:470 =
584000:800 =
46000:46 =
207000:900 =
8000:40 =
904000:400 =
72200:380 =
43500:870 =
60000:400 =
297000:90 =
261000:30 =
400000:80 =
176000:80 =
583000:53 
76800:60 =
80800:800 =
918 - 240 =
15000:50 =
84
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
355000:71 =
18900:90 =
5000 х 80 =
608000:800 
969000:170 =
189000:300 =
756000:700=
54000:600 =
630000:600 =
135000:270 =
915000:50 =
34500:150 =
965000:500 =
840000:420 =
39900:700 =
224000:14 =
37200:40 =
1300 x 60 =
637000:130=
20400:30 =
8100 х 50 =
612000:900 =
576000:480 =
700000:40=
36800:800 =
18300:610 =
902000:82 =
25600:800 =
20300:700 =
10600:53 =
919 - 269 =
420000:420 =
81200:20 =
136000:340 =
660000:500 =
920000:460=
66500:700 =
40500:500 =
340000:200=
91200:60 =
9500.50 =
63000:45 =
536000:20 =
522000:870 =
608000:760 =
59200:800 =
61600:880 =
342000:200 =
775» 136 =
78300:870 =
875000:70 =
550000:50 =
21600:720 =
85
86
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ	Ш;
810000:200 =
817000:43 =
485000:97 =
390000:300 =
668000:60 =
442000:17 =
282000:20 =
99600:60 =
2400 х 60 =
96900:300 =
660000:66 =
54900:610 =
2800 х 80 =
38500:35 =
91200:60 =
154000:770 =
61600:70 =
86900:790 =
60300:90 =
166000:20=
15300:510 =
747000:90 =
6700.80 =
546000:70 =
22000:40 =
58500:650 =
424000:80 =
4100.60 =
138000:460 =
154000:70 =
160000:500 =
756000:840 =
644000:20 =
16000:40 
208000:16 =
79200:88 =
94800:20»
675000:250 =
360000:600 =
70000:70 =
96000:40 =
910000:500 =
46800:120 =
894000:600 =
76500:510 
712000:400 =
636000:400 =
1600:800 =
320000:800 =
65000:500 =
875000:700=
87
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
560000:70 =
928000:400 =
90000:200 =
196000:490 =
84000:40 =
20000:200 =
66600:2 =
49500:90 =
192000:600 =
40700:370 =
314000:200 =
22000:20 =
806000:260 =
35400:300 =
415000:500 =
438000:730 =
703000:37 =
95200:40 =
44000:400 =
56800:80 =
165000:500 =
434 - 200 =
40000:80 =
86000:200 =
324000:900 =
8700 x 50 =
90200:410 =
594000:90 =
84000:700 =
2100:21 =
246000:200 =
152000:380 =
47600:70 =
513000:300 =
2400 х 20 =
518000:74 =
50400:60 =
156000:600 =
32400:270 =
498000:83 =
168000:840 =
27000:450 =
610000:500 =
495000:330=
45900:510 =
424000:20 =
990000:99 =
249000:300 =
90000 150 =
952000:400 =
276000:300 =
702000:600 =
17000:100 =
924000:600 =
6200 x 40 =
846000:47 =
98400:410 =
760000:80 =
4200 x 70 =
7000 x 20 =
64000:800 =
88
ЧЙЙ&2
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
828 - 814 =
32000:80 =
5600 - 80 =
90000:6 =
770000:70 =
50400:72 =
24800:800 =
620000:62 =
459000:900 =
25300:23 =
5400:900 =
9200 - 50 =
525000:500 =
750000:30 »
4600 * 90 =
135000:270 =
186000:60 =
49000:70 =
3300 * 20 =
8460:94 =
450000:90 =
67200:24 =
726000:300 =
40500:45 =
84600:900 =
92400:440 =
342000:90 =
93000:93 =
960000:40 =
6800 « 90 =
982 - 603 =
1400:70 =
9900*80 =
833000:490 =
828 - 368 =
50400:630 =
772000:200 =
5500 * 20 =
460000:500 =
870000:290 =
66000:600 =
85100:230 =
852000:40 =
9800 * 70 =
43000:43 =
560000:50 =
66000:22 =
43200:400 =
522000:870=
33300:900 =
49400:380 =
94400:800 =
678+162 =
186000:6 =
70500:500 =
9800 « 20 =
512000:400 =
476 + 100 =
98400:820 =
3600 * 60 =
82800:200 =
3600 * 40 =
633 - 393 =
38000:760 =
69600:80 =
800 * 660 =
548 - 249 =
378000:210 =
62000:20 =
221 + 185 =
62000:62 =
594000:600 =
711 - 629 =
88000:40 =
71400:70 =
620 * 60 =
986 - 498 =
36000:90 =
976 - 864 =
441000:90*
89
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30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ

735000:490 -
9000:50»
35100:900 =
282000:940 =
273000:91 =
342000:600 =
73000:20 =
747000:900 =
651000:70 =
| 497000:70 =
| 475000:95 =
. 464000:30 =
61200:630 =
> 980000:70 =
25300:600=
962 - 860 =
754000:20 =
60200:200 =
98000:98 =
736000:80=
5900 x 50 =
49500:55 =
49500:500 =
31200:24=
2080:8 =
330.60 =
464 *18 =
790000:790 =
72000:240 =
19600:40 =
606000:600 =
800000:800=
658000:700=
72600:600 =
264000:88 =
840000:800 =
972000:200 =
23700:79 =
16800:800 =
360000:36 =
58200:200 =
516000:86 =
53900:70 =
664 - 401 =
846000:470 =
86400:270=
975000:75 =
385000:700 =
95000:330=
41000:50 =
504000:720 =
784000:400=
870000:58 =
774000:600 =
18600:62 =
82800:360 =
162000:90 =
511000:700 =
31600:16 =
714000:700 =
252000:120 =
22400:70 =
671000:610=
70400:20 =
470000:940=
137 * 748 =
368 - 238 =
83600:76 =
680000:50 =
944 - 345 =
12000:200 =
97400:200 =
91
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30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ	Чй£Й&?Й'
54000:600 =
37000:500 =
648000:810 =
430000:500 =
14600:730 =
84500:90 =
34400:400 =
738000:410 =
188000:400 =
305000:61 =
920000:92=
736000:800 =
89000:100 =
426000:710 
§ “	« и 8 г и S 7  i 8 3 ii и „	"	? ,	" g §  " S “ " « “ 8 о < " "	«
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101
102
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
960000:48 =
31800:200 =
840000:70=
11400:200 =
609000:870 =
945000:150 =
50400:800 =
518000:70 =
74400:930 =
43000:50 =
4000:400 =
180000:450 =
996000:30 =
2400 x 90 =
502 - 439 =
243000:810=
470000:50 =
58400:80 =
160000:500 =
500 х 240 =
861000:30 =
76500:450 =
810000:90=
777000:70 
826000:140*
337000:90 =
60500:55 =
335000:500 
126000:900*
640000:32*
84400:400 =
480000:600 =
612000:400 =
103
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ

104
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
297000:9001
818-142 =
385000:77 =
496000:40 =
284000:800 =
79100:700 =
854 - 484 =
72000:90 =
413000:700 =
400 * 499 =
76000:8 =
893000:300 =
7100.90 =
414000:30 =
870 - 849 =
581000:83 =
556000:400 =
24300:810 =
85500:57 =
598000:200 =
80000:20 =

50400:720 =
9500.80 =
61200:51 =


918000:270 =
819000:900 =
86700:510 =
74700:900 =
420000:840 =
43800:600 =
4000.60 =
28000:200 =
38000:950 =
272000:800 =
972000:180 =
58200:600 =
4100.40 =
221000:170
84800:40 =
928 - 339 =
8700:87 =
996000:600 =
92500:370 =
552000:300 =
957000:300 =
45500:910 =
556000:200 =
1000 х 140 =
550000:50 =
44800:32 =
97200:810 =
224000:700 =
867000:51=
31500:900 =
18800:560 =
79800:700 =
486000:27 =
50400:800 =
186000:620 =
420000:300 =
7100 х 80 =
87100:67 =
61200:900 =
1080:54 =
8100:900 =
563*197 =
984-118 =
855000:95 =
600.950 =
92400:84 =
260000:20 =
270000:540 =
34200:300 =
50500:500 =
988000:38 =
962000:200 =
6600:55 =
592000:80 =
220 x 30 =
713000:310 =
873000:300 =
850000:50 =
57600:800 =
396 - 319 =
2220:74 =
144000:720 =
72600:60 =
6100 - 40 =
273000:700 =
427000:610 =
105
hsIhssih’sihsEihssisUsIsgSsIhSsIhssIhsSB
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30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
Лгя.'
544000:40 =
820000:10 =
10400:520 =
34800:870 =
31500:900 =
990 x 50 =
420 - 401 =
66000:660 =
832000:40 =
516000:600 =
590000:590 =
17400:580 =
20000:250 =
957000:29 =
220000:200 =
656000:41 =
474000:600 =
532000:760 =
48000:400 =
290000:20 =
54000:540 =
867000:170 =
832000:800 =
390000:26 =
525000:500 =
186000:93 =
754000:26 =
63000:700 =
576000:960 =
88500:500 =
89100:81 =
34400:800 =
540000:600 =
891000:81 =
18800:400 =
357000:51 =
870000:30 =
966000:420 =
798000:200=
36000:600 =
76000:80 =
784000:400 =
950000:950 =
468000:60 =
91000:350 =
880000:110 =
550000:20 =
52000:520 =
107

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
та»
776000:800 =
616000:20 =
930000:300 =
267000:300 =
3700.90 =
11200:20»
102000:510 =
76700:59 =
288000:90 =
3640:91=
63000:700 =
125000:50 =
342000:60 =
219000:73 =
24900:300 =
790000:500 =
50400:40 =
945000:63 =
928000:200 =
553000:70 =
891000:81 =
864000:360 =
54600:300 =
97900:890 =
380000:38 =
76500:90 =
65000:500 =
32800:820 =
40500:900 =
3100 = 60 =
7300:730 =
625000:500 =
54000:180 =
14400:600 =
16200:810 =
975000:390 =
124000:310 =
52000:800 =
39000:300 =
672000:300 =
194000:970 =
536000:670 =
108


30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
705000:47 =
322000:460 =
13500:900 =
6000:500 =
84500:650 =
56400:40=
52800:600 =
945000:900 =
664000:400 =
273000:390 =
840000:84 =
150000:300 =
572000:400 =
52200:300 =
75600:540 =
880000:50 =
32400:60 =
800 « 900 =
929 - 680 =
940000:400 =
192000:48 =
59500:350 =
74400:200 =
372000:31 =
725000:50 =
79000:790 =
358000:200.
99000:110-
663000:390 =
416000:400 
270000:30 =
39000:60 
972000:360 =
20200:200 =
672000:480=
684000:400 =
48300:690 =
64500:500 =
5000:200 =
66000:30 =
762000:300 =
30800:770 =
960000:80 =
28200:300=
268000:67 =
110
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
35100:90 =
189000:21 =
658000:700 =
29600:74 =
76400:400 =
270000:90 =
234000:600 =
484000:220 =
690 - 303 =
45500:50 =
196000:980 =
92700:90 =
858000:78 =
2700 • 90 =
986 - 567 =
235000:50 =
675000:500 =
148000:740 =
819000:70 =
37200:60 =
720000:600=
666000:60 =
930000:300 =


98000:980 =
73800:900 =
16000:500 =
372000:310 =
25600:800 =

28700:70 =
142000:200 =
281-166 =
85800:78 =
692000:400 =
8100 : 60 =
662000:200 =
30600:30 =
94000:500 =
259000:370 =
669000:30 =
990000:990 =
912000:80 =
92800:400 =
23400:90 =
5600.90»
810000:600 =
396000:66 =
225000:90 =
294000:49 =
34200:900 =
148000:20 =
129000:43 =
37800:900 =
1200.20 =
583000:530 =
480000:500 =
196000:980 =
44000:800 =
96000:60=
700000:40 =
355000:71 =
568000:40 =
99200:310 =
111
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
112
чйаага
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
258000:60 =
872000:80 =
198000:66 =
432000:400 =
200000:400 =
564000:200 =
92400:300 =
952000:140 =
252000:600 =
2400 * 40 =
420000:40 =
67600:520 =
240000:600=
14800:400 =
870000:58 =
704000:80 =
900 * 550 =
767000:130 =
84000:840 =
183000:61 =
725000:50 =
996000:3 =
26000:400 =
720000:90 =
132000:40 =
672000:280 =
684000:90 =
36000:900 =
722000:380 =
66600:90 =
71000:710 =
552000:80 =
426 - 289 =
70000:14 =
495000:900 =
81900:910=
79100:700 =
513000:90 =
284 + 176 =
92500:250»
600000:40 =
810000:90 =
993 - 252 =
112000:20 =
552000:200 =
933000:300 =
56000:50 =
94000:100 =
752000:400 =
2500:250 =
48500:50 =
75000:200 =
728000:700 =
138000:460 =
736000:80 =
47500:50 =
15600:40 =
744000:93 =
5000 x 40 =
81700:19 =
42000:600 =
5000 * 90 =
570000:30 =
16400:40 =
6700 * 90 =
805 - 264 =
40000:200 =
495000:900 =
99000:110=
113
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
51200:80 =
198000:990 =
9900:6 =
792000:66 =
58200:60 =
7400 х 40 =
51300:190 =
28000:70 =
81000:900 =
618000:60 =
62400:78 =
28000:70 =
31200:26 =
64800:54 =
832000:80 =
97500:65 =
23500:50 =
188000:94 =
952000:560 =
63600:600 =
1500 * 20 =
67500:50 =
55200:690 =
476000:70 =
86400:960 =
20000:800 =
480000:800 =
250000:20 =
168000:84 =
46000:500 =
154000:70 =
51800:74 =
243000:900 =
28 * 423 =
85800:390 =
450000:900 =
9700 * 80 =
8700:290 =
642 * 230 =
621000:69 =
68400:60 =
200 ♦ 154 =
7000:700 =
450000:25 =
664000:800 =
336000:800 =
4000 x 60 =
891000:110 =
60300:90 =
27600:23 =
43600:400 =
410-90 =
975-970 =
530000:100 =
8460:9=
1600-90 =
624000:780 =
32400:40 =
6700  90 =
435000:50 =
536000:670 =
54000:60 =
672000:42 =
37800:30 =
69000:100 =
24000:600 =
85800:66 =
66400:20 =
728000:91 =
52500:700 =
590.60 =
240000:15 =
840 - 691 =
4000:40 =
892000:40 =
546000:70 =
497 • 250 =
83200:80 =
7840:49 =
168000:200 =
469000:70 =
3900 - 90 =
888 - 637 =
954000:90 =
50 * 400 =
871 - 697 =
174000:29 =
23400:300 =
32800:800 =
290 + 598 =
114

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
279000:31 =
60400:200 =
40800:80 =
490000:700 =
17000:500 =
11200:700 =
756000:630 =
884000:40 =
19000:380 =
532000:70 =
480000:6 =
3500x80 =
62000:100 =
61600:80=
74800:400 =
688000:860 =
752000:940 =
76800:64 =
228000:760 =
84000:400 =
660000:30 =
370 * 209 =
462000:33 =
13200:330 =
504000:90 =
871000:670 =
45900:900 =
665000:70 =
40000:80 =
97500:500 =
62500:50 =
2600 х 80 =
700000:28 =
516000:860 =
95200:56 =
18000:30 =
28000:280 =
38500:700 =
240000:800 =
81600:480 =
513000:90 =
640000:800 =
920000:800 =
760000:76 =
30000:500 =
300000:600 =
640000:32 =
46800:900 =
1000 x 810 =
6000x40 =
23100:77 =
150000:500 =
380000:50 =
880000:80 =
765000:510 =
22000:55 =
68400:60 =
68300:800 =
966000:690 =
270000:90»
99900:90 =
945000:50 =
704000:44 =
115
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117
118
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
28300:200 =
40200:300 =
363000:280 =
632000:200 =
900 «20 =
60000:120 =
993 - 952 =
885000:59 =
870000:600 =
820 - 575 =
70000:500 =
27000:90 =
661-480 =
912000:76 =
744000:800 =
144 * 408 =
27000:90 =
6000 x 60 =
200000:400 =
756000:90 =
685 - 297 =
99000:90 =
250 x 20 =
710000:710=
896000:80 =
646000:38 =
904000:800 =
37800:540 =
25500:50 =
470 x 40 =
32000:100 =
730000:50 =
680000:80=
90000:75 =
728000:80 =
272000:680 =
34200:900 =
409 * 266 =
68600:980 =
485000:500 =
29100:970 =
63900:900 =
18000:60 =
516000:600 =
620 * 210 =
728000:52 =
568000:800 =
6900 х 90 =
840000:56 =
786000:300 =
966000:690 =
51000:20 =
20700:9 =
940 - 40 =
5200:2 =
297 - 249 =
25300:110 =
920000:50 =
332 + 607 =
939 - 587 =
9360:78 =
71100:300 =
75400:580 =
900 x 60 =
651 + 87 =
8800:880 =
58500:30 =
80100:89 =
87300:90 =
9500 x 70 =
963-103 =
328000:20 =
4900 x 30=
968000:88 =
29700:90 =
30500:61 =
91800:900 =
2070:69 =
827 - 252 =
690000:69 =
400000:20=
268 + 486 =
633-172»
897000:690 =
6600 - 30 =
576000:960 =
762000:600 =
00 « 670 =
27600:400 =
3500 » 30 =
28000:40 =
900.130 =
93000:930 =
534000:20 =
69600:24 =
35400:300 =
320000:160 =
1100 х 40 =
61200:68 =
74700:90 =
968 - 925 =
50400:560 =
83300:70 =
899 - 840 =
62000:400 =
96800:40 =
85400:700 =
40000:40 =
657000:90-
590 «70 =
40000:500 =
960 - 761 =
690000:460 =
119

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ

855000:45 =
935000:50 =
784000:80 =
759000:330 =
600000:50 =
518000:70 =
450000:75 •
282000:470 =
552000:60 -
81400:110 =
459000:900 =
4400 « 40 =
90100:170 =
18400:400 =
20700:69 =
975000:50 =
855000:570 =
95000:500 =
72800:260 =
120
121

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
78000:600 =
444000:37 =
462000:660=
828000:30 =
513000:570 =
246000:30 =
16000:400=
864000:60 =
190000:950 =
358000:200=
357000:51 =
79500:530 =
6000:400 =
648000:800 =
768000:320 =
19000:50 =
182000:70 =
382000:20 =
87400:19 =
136000:20 =
75600:90 =
510000:34 =
108000:200 =
15000:500 =
78500:50 =
945000:350 =
950000:500 =
18200:910 =
720000:80 =
667000:290 =
690000:30 =
168000:140=
847000:70 =
60800:16 =
506000:460 =
432000:80 =
70600:20 =
51800:740 =
994000:20 =
957000:29 =
50400:140 =
552000:40 =
616000:880 =
656 - 528 =
212000:40 =
74400:60 =
295000:59 =
122
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
924000:28 =
93600:900 =
389 - 304 =
55500:50 =
585000:500 =
244000:610 =
963000:90 =
608000:190 =
91000:20 
39200:80 =
6300.20 =
90000:90 =
44800:700 =
49800:830 =
655000:50 =
1180:59 =
70000:50 =
968 - 403 =
34800:58 =
27200:80 =
9100 х 50 =
625 - 278 =
66000:55 =
854000:70 =
700x550 =
47600:680 =
276000:400 =
58200:97 =
49200:30 =
69000:460 =
414000:600 
11700:90 =
3400 x 80 =
96800:110 =
18500:500 =
900.40 =
25600:640 =
126000:900 =
426 » 560 =
988000:520 =
720000:60 =
72900:30 =
264000:60 =
893 - 297 =
54000:30 =
79600:40 =
1700 х 90 =
737000:67 =
35600:40 =
83600:44 =
93800:700 =
3000 x 20 =
492+198 =
704000:44 =
981000:900 =
700x70 =
10800:36 =
246000:600 =
200000:400 =
468000:300 =
922 -177 =
216000:900 =
957000:87 =
18200:70 =
123

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
2100 х 20 •
422 - 200 =
550000:100 =
704000:64 =
50400:70 =
636000:190 =
3600:400 =
60300:73 =
546000:700 =
99000:30 =
352000:440 =
14400:200 =
674 - 501 =
44000:44 =
68800:40 =
180 x 40 =
168 * 281 =
14500:290 =
47600:70 =
660 x 30 =
821 - 347 =
511000:730 =
2400:80 =
782000:23=
228000:300 =
900 x 400 =
34000:34 =
75000:30 =
260000:260 =
10800:40 =
649000:590 =
30100:700 =
64600:17 =
104000:200 =
700000:700 =
91200:80 =
388000:970 =
49600:80 =
260.50 =
22800:760 =
648000:20 =
804000:60 =
38800:97 =
12000:80 =
138000:46 =
36400:200 =
728*110 =
930 - 798 =
576000:64 =
26000:500=
1000'460 =
7800:780 =
53900:770 =
9200.80 =
51700:110 =
765000:500 =
200 = 670 =
17000:340 =
380000:500 =
40-160 =
107 * 670 =
781000:710 =
89400:600=
902000:82 =
16600:700 =
684000:36 =
9040:8 =
600 - 250 =
4000 - 50 =
658000:39 =
90000:90 =
870*120 =
372000:930 =
216000:900=
69600:80 =
62300:70 =
9700 х 70 =
79800:57 =
63500:500 =
810x90 =
23200:58 =
87300:90 =
43000:430 =
84000:200 =
6100:61 =
683 - 728 =
252000:90 =
124
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ
875000:500 =
855000:950 =
30300:30 =
99000:30 =
511000:70=
16200:810 =
3200:80 =
430 - 30 =
706 - 370 =
1980:99 =
945000:700 =
68000:40 =
5600:80 =
24500:350 =
460>40 =
92000:10 =
78000:60 =
54000:900 =
8000:80=
27000:60=
8600.80=
49 + 850 =
869 - 607 =
63000:300 =
37800:42 =
957000:300 =
162000:180 =
65100:70 =
908000:2 =
71600:40 =
3000x60=
76200:30 =
456000:400 =
980000:980 =
45000:200 =
945000:270 =
976000:16 =
294000:420 =
50000:500 =
576000:90 =
18900:70 =
675000:90 =
850.60 =
60500:550 =
324000:900 =
750000:500 =
204000:600 =
800 х 450 =
8080:8 =
3000 x 30 =
19600:980 =
55800:93 =
756000:84 =
540000:20 =
496000:80 =
77600:97 =
544000:800 =
602 - 99 =
11800:590 =
65200:400 =
702000:54 =
41400:90 =
94600:860 =
5700 х 70 =
18800:94 =
178000:89 =
180000:60 =
2400.90 =
676 - 205 =
74800:680 =
52800:40 =
61600:20 =
720 х 60 =
270000:27 =
561 +166 =
396000:990 =
39300:30 =
15000:500 =
6000:40=
245000:5 =
64200:30 =
949 - 340 =
350000:50 =
7800:260 =
696000:80 =
13200:440 =
125

30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ

910000:910 =
248000:800 =
18400:40 =
234000:800 =
55200:92 =
30400:40 =
56000:200 =
27800:200 =
748000:680 =
31800:600 =
490000:500 =
936000:800 =
53400:89 =
336000:600 =
89400:200 =
518000:70 =
7600 x 90 =
256000:400 =
50400:840 =
419 - 404 =
728000:800 =
96900:510 =
942000:600 =
279000:90 =
88400:400 =
378000:270 =
2600 х 40 =
82000:50 =
67500:75 = 7080




79000:79 =
940000:200 =
16000:50 =
620 x 70 =
504000:72 =
708000:20 =
35100:270 =
148000:400 =
602000:200 =
95000:50 =
764000:400 =
124000:62 =
944000:590 =
764000:400 =
3600 x 20 =
567000:27 =
36000:800 =
912000:60 =
585000:30 =
360000:900 =
93000:62 =
72000:800 =
25000:500 =
371000:530 =
112000:560 =
858000:130 =
828000:300 =
30000:400 =
126
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30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ

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682000:900 =
150000:600»
25500:51»
79200:400 =
576000:900 »
88800:240»
6160:2 »
948000:790 =
384000:400 =
230000:400 =
58400:400 =
42700:70 =
24000:600 =
496000:20»
651000:310 =
74200:700»
380000:10 =
770000:70»
664000:830 =
46000:50 =
590000:10 =
496000:20 =
259 » 693 =
532000:700 =
720000:80»
255000:850 =
53000:200-
63700:700 =
285000:95 =
640000:200 =
938000:670 =
81000:600 =
325-763 =
850000:850 =
624000:120 =
306000:340 =
19500:500 =
20000:50 =
720000:30 =
310000:620=
558000:200 =
765000:500 =
774000:90 =
328000:410=
52500:30 =
128
УДК 373:51
ББК22.1Я721
III III III
Пособие содержит 30 000 математических примеров по темам, изучаемым
в 4 классе, в том числе и примеры на деление с остатком. Оригинальное построение
материала позволяет обеспечить более глубокое его усвоение.
Как показывает практика, ученик полностью освоил программу, если решает
пример и записывает ответ по истечении 4-7 секунд. В этом случае можно
говорить, что навык счета доведен до автоматизма.
На каждой странице приведены 5 столбиков по 47 примеров. Если ученик
решает столбик за 5-7 минут, это свидетельствует о хорошем уровне подготовки. На
целую страницу у него должно уходить не более 35 минут. Чтобы достичь отличных
результатов, каждый день следует решать по одной странице.
Пособие может быть использовано на уроках математики, а также для работы
дома.
КАК НАУЧИТЬСЯ БЫСТРО СЧИТАТЬ
Эльга Васильевна. Нефедова Елена Ал
30 000 ПРИМЕРОВ ПО МАТЕМАТИКЕ