谁能给我100道分数乘法口算

\u516d\u5e74\u7ea7100\u9053\u5206\u6570\u4e58\u6cd5\u53e3\u7b97\u9898 \u53e3\u7b97

42/2=21 90*9=810 36/2=18
20/5=4 400/2=200 39/3=13 35/5=7 150/3=50 20*9=180
90/3=30 16*3=48 45/5=9
45*2=90 40*6=240 70*3=210
36/3=12 65/5=13 48/3=16
25*4=100 90/9=10 15*6=90
20*6=120 48/6=8 80/4=20
50*4=200 80*4=320 200*7=1400
5*6=30 18*3=54 12*8=96
12*4=48 88/8=11 60*5=300
75/5=15 500*2=1000 13*5=65
27/3=9 91*2=182 32*3=96
120\u00f730\uff1d4 51/3=17 23*3=69
85/5=17 54/3=18 200*6=1200 600/3=200 55/11=5 72/8=9
90/45=2 0/185524=0

59+73=132 83+38=121 56+74=130 162+959=1021 135+69=204
47+98=145 536+464=1000 915+85=1000 351+649=1000
208+792=1000 873+127=1000 989+109=1098 80+370=450
120-80=40 6\u00d74+5=29 82-\uff089\u00d78\uff09=10 64\u00f78=8 45+37=82
94-28=66 \uff0872-30\uff09\u00f76=7 510+400=910 4/9\u00d73/8= 1/6
5/3\u00f75=1/3 0\u00f78/3=0 1\uff0d2/3=1/3 2/7\u00d72\uff1d4/7
41/12\u00d74=41/3 4\u00f73/16=64/3 12\u00f74 =3 75/8 \u00f75=15/8
12\u00d716/9\uff1d64/3 2/3\u00d73\uff1d2 8\u00f79/4\uff1d32/9 5/3\u00f73/5\uff1d25/9
41/12\u00d74=41/3 4\u00f73/16= 64/3 12\u00f79/4 =64/9 75/8 \u00f75= 15/8
12\u00d716/9\uff1d 2/3\u00d73\uff1d 8\u00f79/4\uff1d 5/3\u00f73/5\uff1d 4/5\u00d75/8\uff1d 7/9\u00d79/7 \uff1d 2.4\u00d750= 3500\u00f770= 0.3\u00f73%= 6696\u00f762\uff0d6.5\u00d710.6 = 4/9\u00d73= 5\u00f71/3= 1/2\u00f71/3= 2/7\u00d73/9\u00f72/7= 21/25\u00f742= 4/5\u00d73/4= 8.7\u00d70.2= 4\u00d70.25= 1/7\u00d714= 2/3\u00f75/6= 1.25\u00d78= 3/5\u00f75/8= 6/7\u00d73/2= 6\u00d78.8= 4/11\u00f74= 4/9\u00d73/8= 5/3\u00f75= 0\u00f78/3= 4/7\uff0d2/3= 2/7\u00d72\uff1d 41/12\u00d74= 4\u00f73/16= 12\u00f79/4 = 75/8 \u00f75= 12\u00d716/9\uff1d 2/3\u00d73\uff1d 8\u00f79/4\uff1d 5/3\u00f73/5\uff1d 7/9\u00d79/7 \uff1d 2.4\u00d750= 3500\u00f770= 0.3\u00f73%= 6696\u00f762\uff0d6.5\u00d710.6 =

82-39=43 56\u00f77=8 36+28\u00f77=40
47+35=82 620+80=700 5\u00d77+8=43
74-4\u00d77=26 725+275=1000 328+672=100
641+359=1000 936+64=1000 183+817=1000
649+326=1075 720-465=255 800-235=565
905-245=660 634-57=577 459-68=391
754-697=57 900-768=132 953-804=149
801-765=36 200-94=106 706-327=379
936-588=348 825-648=177 728-439=289
473-387=86 400-84=316 302-187=115
517-253=264 908-129=779 716-224=492
483-194=289 800-324=476 975-385=590
500-222=278 906-345=561 900+820=1720
235+198=433 398+299=697 620-489=131
502-488=14 806-728=78 594+382=976
469+247=516 365+640=1005 548-279=269
249+781=1030 900-374=526 724-385=339
690-305=385 638-276=362 243+467=710
800-465=335 905-368=537 687+329=1016
706-499=207 888+135=1023 364+436=800 675-388=287 716+235=805 947-828=119
563+245=805 655-135=520 409+198=607
500-367=133 702+268=970 298+76=374
986-639+587=934 385+215-476=124
298+76=374 768+2005=2773 834-497=337
1476-207=1269 95+403=498 405+997=1402
384-299=85 797-408=299
4/9\u00d73= 5\u00f71/3= 1/2\u00f71/3= 2/7\u00d73/9\u00f72/7= 21/25\u00f742= 4/5\u00d73/4= 8.7\u00d70.2= 4\u00d70.25= 1/7\u00d714= 2/3\u00f75/6= 1.25\u00d78= 3/5\u00f75/8= 6/7\u00d73/2= 6\u00d78.8= 4/11\u00f74= 4/9\u00d73/8= 5/3\u00f75= 0\u00f78/3= 4/7\uff0d2/3= 2/7\u00d72\uff1d 41/12\u00d74= 4\u00f73/16= 12\u00f79/4 = 75/8 \u00f75= 12\u00d716/9\uff1d 2/3\u00d73\uff1d 8\u00f79/4\uff1d 5/3\u00f73/5\uff1d 4/5\u00d75/8\uff1d 7/9\u00d79/7 \uff1d 2.4\u00d750= 3500\u00f770= 0.3\u00f73%= 6696\u00f762\uff0d6.5\u00d710.6 = 4/9\u00d73= 5\u00f71/3= 1/2\u00f71/3= 2/7\u00d73/9\u00f72/7= 21/25\u00f742= 4/5\u00d73/4= 8.7\u00d70.2= 4\u00d70.25= 1/7\u00d714= 2/3\u00f75/6= 1.25\u00d78= 3/5\u00f75/8= 6/7\u00d73/2= 6\u00d78.8= 4/11\u00f74= 4/9\u00d73/8= 5/3\u00f75= 0\u00f78/3= 4/7\uff0d2/3= 2/7\u00d72\uff1d 41/12\u00d74= 4\u00f73/16= 12\u00f79/4 = 75/8 \u00f75= 12\u00d716/9\uff1d 2/3\u00d73\uff1d 8\u00f79/4\uff1d 5/3\u00f73/5\uff1d 4/5\u00d75/8\uff1d 7/9\u00d79/7 \uff1d 2.4\u00d750= 3500\u00f770= 0.3\u00f73%= 6696\u00f762\uff0d6.5\u00d710.6 =

1\2\u00d78=
1\3\u00d79=
4\9\u00d77=
9\11\u00d78=
3\6\u00d72\9=
5\9\u00d77\2=
1\10\u00d79\4=
23\4\u00d72\6=
76\5\u00d71\38=
87\9\u00d73\19=
15\4\u00d71\3=
56\2\u00d71\8=
2\9\u00d73\18=
1\4\u00d73=
12\13\u00d726=
19\6\u00d73\2=
2\3\u00d77\2=
6\7\u00d714\2=
16\7\u00d721\4=
29\3\u00d76=
1\2\u00d76=
1\6\u00d79=
4\3\u00d77=
9\4\u00d78=
3\12\u00d72\9=
5\9\u00d77\5=
1\10\u00d79\2=
24\4\u00d72\6=
76\7\u00d71\38=
87\6\u00d73\19=
12\4\u00d71\3=
56\2\u00d71\7=
2\9\u00d76\18=
1\4\u00d77=
3\13\u00d726=
17\6\u00d73\2=
2\3\u00d79\2=
6\5\u00d714\2=
16\7\u00d728\4=
29\2\u00d76=
1\2\u00d77=
1\4\u00d79=
4\3\u00d79=
9\4\u00d711=
3\15\u00d72\9=
5\7\u00d77\5=
1\23\u00d79\2=
24\4\u00d71\6=
76\13\u00d71\38=
87\9\u00d73\19=
12\5\u00d71\3=
56\12\u00d71\7=
2\9\u00d715\18=
1\11\u00d77=
3\19\u00d726=
17\8\u00d73\2=
2\6\u00d79\2=
6\15\u00d714\2=
16\14\u00d728\4=
29\2\u00d74=
1\2\u00d78=
1\3\u00d79=
4\9\u00d77=
9\11\u00d78=
3\6\u00d72\9=
5\9\u00d77
15\4\u00d71\3=
56\2\u00d71\8=
2\9\u00d73\18=
1\4\u00d73=
12\13\u00d726=
19\6\u00d73\2=
2\3\u00d77\2=
6\7\u00d714\2=
16\7\u00d721\4=
29\3\u00d76=
1\2\u00d76=
1\6\u00d79=
4\3\u00d77=
9\4\u00d78=
3\12\u00d72\9=
5\9\u00d77\5=
1\10\u00d79\2=
24\4\u00d72\6=
76\7\u00d71\38=
87\6\u00d73\19=
12\4\u00d71\3=
56\2\u00d71\7=
2\9\u00d76\18=
1\4\u00d77=
3\13\u00d726=
17\6\u00d73\2=
2\3\u00d79\2=
6\5\u00d714\2=
16\7\u00d728\4=
29\2\u00d76=
1\2\u00d77=
1\4\u00d79=
4\3\u00d79=
9\4\u00d711=
3\15\u00d72\9=
5\7\u00d77\5=
1\23\u00d79\2=
24\4\u00d71\6=
76\13\u00d71\38=
87\9\u00d73\19=
12\5\u00d71\3=
56\12\u00d71\7=
2\9\u00d715\18=
1\11\u00d77=
3\19\u00d726=
17\8\u00d73\2=
2\6\u00d79\2=
6\15\u00d714\2=
16\14\u00d728\4=
29\2\u00d74=
1\2\u00d72\3=
2\3\u00d73\4=
3\4\u00d74\5=
\u54d7 \u771f\u96be\u5199\u7ed9\u7684\u6700\u4f73 \u4eba\u5bb6\u597d\u4e0d\u5bb9\u6613\u67e5\u5b8c\u6765\u5237\u5206\u7684

1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
1.口算下面各题

(1)58+42= (2)87-45= (3)125×8=

(4)50×12= (5)804÷4= (6)134+66=

(7)1000-98= (8)720÷5= (9)0÷47=

2.先填写下面各题的运算顺序,再计算出得数。

(1)168+36-36+32=

(2)153-5×14+83=

(3)50×5÷50×5=

3.判断:对的打“√”,错的打“×”

(1)13×15与15×13表示的意义相同。( )

(2)3000÷425÷8的计算结果一定小于3000÷(425×8)的计算结果。( )

(3)两个因数的积是800,如果一个因数不变,另一个因数缩小20倍,那么积是40。( )

(4)算式:“750÷25+35×2”所表示的意义是750除以25的商;加上35的2倍,和是多少?( )

(5)24×25=6×4×25=6+100=106( )

4.用简便方法计算:

(1)3786-499

(2)32×25×125

(3)1653-338-662

(4)7987+350+2013+450

(5)38×38+62×38

(6)452+99×452

(7)201×79

(8)50×125×4×8

5.计算下面各题:

(1)340×(120-40÷8)

(2)45×(720-1957÷19)

(3)86+[4500+(2088÷36)÷2]

(4)396×[74-(4875÷15-13×21)]

(5)[1054-(174-168)]÷8

(6)6048÷[(107-99)×9]

6.用综合算式解答:

(1)42减去28的差除14的商是多少?

(2)840减去480除以240的商,再加上162,和是多少?

(3)258加上42的和乘以185减去158的差,积是多少?

(4)1080减去6与12的积,再除以12,商是多少?

(5)从6000里减去60与80的积,所得的差再除以120,商是多少?

(6)12、18和20三个数的积比它们的和多多少?

7.应用题:

(1)学校买来桌椅共12套,一张桌子75元,一把椅子55元,买桌子比买椅子多用多少元?

(2)水果店运来24筐苹果,36筐梨,苹果和梨每筐都重32千克,运来苹果和梨共多少千克?

(3)从甲地到乙地,乘火车每小时可行75千米,30小时到达,如果乘飞机只用2小时,乘飞机平均每小时可行多少千米?

(4)商店有自行车1200辆,五月份卖出524辆,比六月份多卖148辆,还剩多少辆?

(5)有一块长方形菜地,长32米,面积是768平方米,菜地的宽是多少米?

(6)修路队修一条路,计划每天修45米,需要40天才能完成。后来改进施工方法,每天可以多修20米,现在完成任务需要多少天? /前面是分子,后面是分母

  • 鍏勾绾ф暟瀛鍒嗘暟涔樻硶鍙g畻璁$畻棰
    绛旓細1.3/7 脳 49/9 - 4/3 2.8/9 脳 15/36 + 1/27 3.12脳 5/6 鈥 2/9 脳3 4.8脳 5/4 + 1/4 5.6梅 3/8 鈥 3/8 梅6 6.4/7 脳 5/9 + 3/7 脳 5/9 7.5/2 -锛 3/2 + 4/5 锛8.7/8 + 锛 1/8 + 1/9 锛9.9 脳 5/6 + 5/6 10.3/4 脳 8/9...
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