急用!!!!!五年级的分数(也可以是百分数)的口算题,不要混合运算!一定要是分数(百分数)的,只要乘除法!!
速度!!!
好的可以加分!!!
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
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
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第1个回答 2008-07-22
1.4+0.3=
2.6-0.7=
0.64+0.36= 3.24-2.14=
0.9+4.8=
22.2-2=
1-0.06=
22.4+0.06=
2.1-1.2=
3.45-1.9=
5.2+3.4=
1.2-0.6=
4.5-0.9=
5+7.7=
0.6+0.45=
5.6-1.4=
4+6.4=
0.83-0.12=
0.7-0.07=
5.1+0.18=
5.3-0.7=
4.8+3.2=
5.67-5.67=
5-0.38=
0.04×1.5=
0.18×3=
6.5×0.2=
50×0.1=
0.4×25=
0.15×4=
0.2×0.5=
10×0.52=
8.1×6=
9.6÷12=
0.9÷0.3=
6.3÷0.7=
0÷3.5=
1.21÷11=
0.4×0.5=
2.5×0.4=
3.4-1.4=
7.82-7.2=
2.19+9.1=
10.1-0.89=
0.68+0.42=
8.1-5.1=
0.728-0.24=
0.8+0.18=
0.89-0.25=
1-0.98=
1.32×8=
0.7×8=
10.3×2=
5×0.6=
0.9×0.3=
3.5×0.2=
2.01×0=
10×0.05=
0.13×7=
0.21×100=
0.7×4=
0.05×4=
4×0.3=
12.5×8=
2.3×4=
3.25×0=
0.4×50=
30×0.1=
2.6×3=
4.1×2=
0.35×0.2=
7.5×0.1=
1-0.08=
3.5×0.01=
1.25÷0.25=
0×9.8=
3.9+0.39=
4.8+5.2=
0.5×0.4 =
4×0.25=
3÷6=
8.1÷9=
2.5×4=
6-0.025=
3.6+6.3=
0.05×4=
3.5×0=
0÷3.5=
0.9×0.3=
1×0.06=
9×0.5=
1.25×8=
2.6×3=
4.1×2=
0.35×0.2=
7.5×0.1=
0.9×0.3=
1×0.06=
9×0.5=
1.25×8=
0.2×0.4=
8.2+1.8=
100-35.22=
2.5×0.4=
2.4×5=
0.22×4=
0.9-0.52=
3.99×1=
0×3.52=
2.5÷5=
8.4÷7=
0.34÷17=
2.5÷0.5=
8.4÷0.7=
0.34÷0.17=
30.4÷4=
1.2×6=
0.72÷0.6=
2.6÷1.3=
0.6×0.3=
0÷3.65=
7.82÷1 =
0.001÷0.1=
1.4÷0.7=
3.6÷0.06=
5.6÷0.8=
5.6÷1.4=
0.48÷0.8=
4.4÷0.11=
4.2×3 =
3.2×0.4=
0.3÷0.01=
4÷0.5=
5.1÷0.17=
0.28÷1.4=
0.9÷0.45=
9.6÷16=
1÷0.01 =
0.01÷1=
7.5÷1.5=
0.81÷9=
3÷0.5=
10÷25=
4.8÷0.16=
0÷3.89=
3.52÷1=
6.4÷4=
1.5÷0.3=
1.8×5=
7.2÷0.9=
2.2×6=
8.4÷0.4=
4.5÷0.9=
2.5×4=
12.5×4=
0.3÷0.1=
4.5×2=
7.8+0.22=
3.4×0.4=
12.6-0.9=
4.5*6=
6-4.05=
8.4÷0.7=
3.67+6.13=
0.5*1.2=
0.55÷1.1=
5.42+7.5*1.6=
0.25*1.7*0.4=
7.86-4015-2.85=
0.125*32*2.5=
6.4×0.2+3.6×0.2=
6.25×8=
(1.5+0.25)×4=
2.14-0.9=
2.87÷0.7=
1.2×0.4+1.3×0.4=
7.2×0.3+2.8×0.3=
4.9÷3.5=
4.2÷3.5=
0.75×4=
2.4×2.5=
0.36÷12=
8.8÷2.2=
7.5×2.5×4=
0.65×1.02=
3.9+2.03=
1.23÷3=
3.2÷1.6=
0.05×0.8=
500×0.01=
64.32÷16=
2.56-0.37=
3.5+3.5×3=
0.99+1.8=
16÷1.6=
(1.25+0.36)×0.2=
1.5×0.4=
72.8÷0.8=
0.9÷0.01=
5.4-2.5-1.4=
1.25×0.8×0.5=
1.7+0.43+3.3=
12÷0.3=
5.6×1.01=
99×0.35=
7÷0.25=
4.2÷0.1=
12-6.2-3.8=
0.1×0.02=
3.5+7.6=
6.3+3.7=
25×0.8=
7-1.9-4.1=
12-9.9=
14÷28=
1.6×9+1.6=
3×1.4=
5×1.02=
2.3÷5=
232-195=
350÷50=
12×40=
450-300=
560+80=
7×70=
82-56=
560÷4=
28+37=
26×3=
88÷22=
160×5=
640÷8=
80+520=
720÷80=
670-250=
0×85=
35×5=
707÷7=
510×6=
640÷40=
3400-900 =
72÷12=
18×40=
750÷50 =
8.92-0.03-1.97=
0.175÷0.25÷4=
(12.6-0.75-0.25)÷0.01=
(1.7+1.7+1.7+1.7)×2.5=
72×125=
384+98×25×4=
46+0.34=
1-0.78=
2.7×3=
9.3÷0.93=
0.54÷18=
0.025×4.4=
7.38-5.88=
0.4+0.4÷0.1=
0.6×1.5=
9.4+1.6=
0.54÷9=
0.05×1.8=
0.16÷0.4=
88÷0.8=
10-8.25=
1÷0.125=
0.12×3=
2.56-0.37=
64.32÷16=
7÷0.25=
0.56÷0.28=
3.2÷1.6=
7.2×0.3+2.8×0.3=
6.25×8=
0.25×16=
7.5×2.5×4=
12-6.2-3.8=
8.1÷0.03=
5.6×1.01=
2.14-0.9=
b-0.4b=
0.25+0.75=
0.25+0.75=
1.25×6=
15-2.05=
1.2-1.2×0.9=
0.55+0.45=
7-1.036=
50×0.25=
1.5+2.26+0.5=
0.8+0.2-0.8+0.2=
(5.25-4)x8=
4x0.37x0.25=
0.25×0.7×4=
8.2÷8.2+8.2=
1.3+0.13=
6.3x101=
0.25x400=
0.6-0.06=
0.57+0.16=
0.35-0.18=
3.8+6.2=
0.5*0.4=
0.75*4=
2.5*0.04=
3.6*2-3.6=
2.5÷20=
9.6÷3.2=
0.45×2=
8-3.5=
3×2.5=
7.5÷0.25=
0.2-0.09=
4×0.25=
0.37+0.3=
1÷0.1×1÷0.1=
0.72÷0.9=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
3.5×0.2=
0.72÷0.9=
1-0.01=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
0.63×2=
4.8÷0.6=
1.7+3=
4×9×0.25=
1.25×16=
9.6÷32=
2-0.09=
8.5-0.24-1.76=
0.63×2=
4.8÷0.6=
1.7+3=
4×9×0.25=
1.25×16=
9.6÷32=
2-0.09=
8.5-0.24-1.76=
3.5×0.2=
0.72÷0.9=
1-0.01=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
0.42×2=
9.6÷0.32=
4.8+2.7=
8-0.6=
21÷0.3=
0.05×0.4=
4.2-2=
0.7+0.23=
1.7×0.5= 21÷42=
1.43+14.3=
20-0.94=
3.5×101=
4.28+0.2=
8×0.3=
0.1-0.01=
7.2÷6=
2.5+6=
1÷0.25=
0.67+0.3=
3.2-0.4=
0.92-0.3=
0.38×100=
8×2.5=
8×1.25=
2.4÷0.06=
7.2+2.8=
2.7+5.6+7.3=
9.6÷0.3=
14×(20+1)=
8-2.5=
9.6÷0.8=
4÷0.5÷0.2=
0.8×0.5=
1.6×9+1.6=
12-9.9=
7-1.9-4.1=
14÷28=
2.3+5=
6.3+3.7=
3.2+0.48=
1.5×3=
0.6÷0.5=
4.3-0.3=
8.5-3=
15×0.2=
9-2.8=
4×0.25=
0.34+0.46=
0.78-0.28=
1.8÷0.9=
4.7×0.2=
1-0.65=
2.4÷0.3=
7÷0.5=
60×0.5=
0.25+0.75=
0.3×0.15=
5.1-3.9=
1.7+0.8=
7.2÷0.2=
2.4×0.2=
3.8×0.02=
1.8÷0.09=
0.27÷0.9=
0.3×1.5=
7.2+0.85=
0.83-0.7=
0.1+0.87=
2.3+7.7=
5+2.8=
6.7-3=
0.82-0.32=
1-0.06=
0.16+0.8=
0.18+0.72=
0.5-0.36=
4.3-3.8=
0.92-0.2=
0.2+0.75=
7.2×0.01=
4.2÷0.01=
8.1÷0.03=
0.8×1.25=
2.3+0.9=
0.1-0.01=
0.28×0.2=
0.49÷0.7=
0.3÷0.15÷0.2=
1-0.63=
4.8×0.2×0.5=
4.5+1.5=
10-1.8-2.2=
0.46÷2=
0.25+3.1+1.75=
1÷0.25=
2÷5=
0.45×0.2=
1.5×0.1=
1.5÷0.1=
4.5*6=
6-4.05=
8.4÷0.7=
3.67+6.13=
0.5*1.2=
0.55÷1.1=
5.42+7.5*1.6=
0.25*1.7*0.4=
7.86-4015-2.85=
0.125*32*2.5=
1.5*2.5=
3.7*4.1=
2.5*2.5=
6.25*1.1=
2.4*3.6=
7.2*4.8=
3.3*2.3=
8.4*5.2=
2.7*9.5=
4.6*7.6=
3.44*2.3=
6.9*3.5=
2.2*1.8=
17×40=
100-63=
3.2+1.68=
2.8×0.4=
14-7.4=
1.92÷0.04=
0.32×500=
0.65+4.35=
10-5.4=
4÷20=
3.5×200=
1.5-0.06=
0.75÷15=
0.4×0.8=
4×0.25=
0.36+1.54=
1.01×99=
420÷35=
25×12=
135÷0.5=
3/4+1/4=
2+4/9=
3-2/3=
3/4-1/2=
1/6+1/2 -1/6=
7.5-(2.5+3.8)=
7/8 + 3/8=
3/10 +1/5=
4/5-7/10=
2-1/6-1/3 =
0.51÷17=
32.8+19=
5.2÷1.3=
1.6×0.4=
4.9×0.7=
1÷5=
6÷12=
0.87-0.49=
1.8×4×0.5=
1.5-1.5×0.3=
1×8+1×2=
3.14×32=
100×0.1%=
2.6-0.7=
0.64+0.36= 3.24-2.14=
0.9+4.8=
22.2-2=
1-0.06=
22.4+0.06=
2.1-1.2=
3.45-1.9=
5.2+3.4=
1.2-0.6=
4.5-0.9=
5+7.7=
0.6+0.45=
5.6-1.4=
4+6.4=
0.83-0.12=
0.7-0.07=
5.1+0.18=
5.3-0.7=
4.8+3.2=
5.67-5.67=
5-0.38=
0.04×1.5=
0.18×3=
6.5×0.2=
50×0.1=
0.4×25=
0.15×4=
0.2×0.5=
10×0.52=
8.1×6=
9.6÷12=
0.9÷0.3=
6.3÷0.7=
0÷3.5=
1.21÷11=
0.4×0.5=
2.5×0.4=
3.4-1.4=
7.82-7.2=
2.19+9.1=
10.1-0.89=
0.68+0.42=
8.1-5.1=
0.728-0.24=
0.8+0.18=
0.89-0.25=
1-0.98=
1.32×8=
0.7×8=
10.3×2=
5×0.6=
0.9×0.3=
3.5×0.2=
2.01×0=
10×0.05=
0.13×7=
0.21×100=
0.7×4=
0.05×4=
4×0.3=
12.5×8=
2.3×4=
3.25×0=
0.4×50=
30×0.1=
2.6×3=
4.1×2=
0.35×0.2=
7.5×0.1=
1-0.08=
3.5×0.01=
1.25÷0.25=
0×9.8=
3.9+0.39=
4.8+5.2=
0.5×0.4 =
4×0.25=
3÷6=
8.1÷9=
2.5×4=
6-0.025=
3.6+6.3=
0.05×4=
3.5×0=
0÷3.5=
0.9×0.3=
1×0.06=
9×0.5=
1.25×8=
2.6×3=
4.1×2=
0.35×0.2=
7.5×0.1=
0.9×0.3=
1×0.06=
9×0.5=
1.25×8=
0.2×0.4=
8.2+1.8=
100-35.22=
2.5×0.4=
2.4×5=
0.22×4=
0.9-0.52=
3.99×1=
0×3.52=
2.5÷5=
8.4÷7=
0.34÷17=
2.5÷0.5=
8.4÷0.7=
0.34÷0.17=
30.4÷4=
1.2×6=
0.72÷0.6=
2.6÷1.3=
0.6×0.3=
0÷3.65=
7.82÷1 =
0.001÷0.1=
1.4÷0.7=
3.6÷0.06=
5.6÷0.8=
5.6÷1.4=
0.48÷0.8=
4.4÷0.11=
4.2×3 =
3.2×0.4=
0.3÷0.01=
4÷0.5=
5.1÷0.17=
0.28÷1.4=
0.9÷0.45=
9.6÷16=
1÷0.01 =
0.01÷1=
7.5÷1.5=
0.81÷9=
3÷0.5=
10÷25=
4.8÷0.16=
0÷3.89=
3.52÷1=
6.4÷4=
1.5÷0.3=
1.8×5=
7.2÷0.9=
2.2×6=
8.4÷0.4=
4.5÷0.9=
2.5×4=
12.5×4=
0.3÷0.1=
4.5×2=
7.8+0.22=
3.4×0.4=
12.6-0.9=
4.5*6=
6-4.05=
8.4÷0.7=
3.67+6.13=
0.5*1.2=
0.55÷1.1=
5.42+7.5*1.6=
0.25*1.7*0.4=
7.86-4015-2.85=
0.125*32*2.5=
6.4×0.2+3.6×0.2=
6.25×8=
(1.5+0.25)×4=
2.14-0.9=
2.87÷0.7=
1.2×0.4+1.3×0.4=
7.2×0.3+2.8×0.3=
4.9÷3.5=
4.2÷3.5=
0.75×4=
2.4×2.5=
0.36÷12=
8.8÷2.2=
7.5×2.5×4=
0.65×1.02=
3.9+2.03=
1.23÷3=
3.2÷1.6=
0.05×0.8=
500×0.01=
64.32÷16=
2.56-0.37=
3.5+3.5×3=
0.99+1.8=
16÷1.6=
(1.25+0.36)×0.2=
1.5×0.4=
72.8÷0.8=
0.9÷0.01=
5.4-2.5-1.4=
1.25×0.8×0.5=
1.7+0.43+3.3=
12÷0.3=
5.6×1.01=
99×0.35=
7÷0.25=
4.2÷0.1=
12-6.2-3.8=
0.1×0.02=
3.5+7.6=
6.3+3.7=
25×0.8=
7-1.9-4.1=
12-9.9=
14÷28=
1.6×9+1.6=
3×1.4=
5×1.02=
2.3÷5=
232-195=
350÷50=
12×40=
450-300=
560+80=
7×70=
82-56=
560÷4=
28+37=
26×3=
88÷22=
160×5=
640÷8=
80+520=
720÷80=
670-250=
0×85=
35×5=
707÷7=
510×6=
640÷40=
3400-900 =
72÷12=
18×40=
750÷50 =
8.92-0.03-1.97=
0.175÷0.25÷4=
(12.6-0.75-0.25)÷0.01=
(1.7+1.7+1.7+1.7)×2.5=
72×125=
384+98×25×4=
46+0.34=
1-0.78=
2.7×3=
9.3÷0.93=
0.54÷18=
0.025×4.4=
7.38-5.88=
0.4+0.4÷0.1=
0.6×1.5=
9.4+1.6=
0.54÷9=
0.05×1.8=
0.16÷0.4=
88÷0.8=
10-8.25=
1÷0.125=
0.12×3=
2.56-0.37=
64.32÷16=
7÷0.25=
0.56÷0.28=
3.2÷1.6=
7.2×0.3+2.8×0.3=
6.25×8=
0.25×16=
7.5×2.5×4=
12-6.2-3.8=
8.1÷0.03=
5.6×1.01=
2.14-0.9=
b-0.4b=
0.25+0.75=
0.25+0.75=
1.25×6=
15-2.05=
1.2-1.2×0.9=
0.55+0.45=
7-1.036=
50×0.25=
1.5+2.26+0.5=
0.8+0.2-0.8+0.2=
(5.25-4)x8=
4x0.37x0.25=
0.25×0.7×4=
8.2÷8.2+8.2=
1.3+0.13=
6.3x101=
0.25x400=
0.6-0.06=
0.57+0.16=
0.35-0.18=
3.8+6.2=
0.5*0.4=
0.75*4=
2.5*0.04=
3.6*2-3.6=
2.5÷20=
9.6÷3.2=
0.45×2=
8-3.5=
3×2.5=
7.5÷0.25=
0.2-0.09=
4×0.25=
0.37+0.3=
1÷0.1×1÷0.1=
0.72÷0.9=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
3.5×0.2=
0.72÷0.9=
1-0.01=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
0.63×2=
4.8÷0.6=
1.7+3=
4×9×0.25=
1.25×16=
9.6÷32=
2-0.09=
8.5-0.24-1.76=
0.63×2=
4.8÷0.6=
1.7+3=
4×9×0.25=
1.25×16=
9.6÷32=
2-0.09=
8.5-0.24-1.76=
3.5×0.2=
0.72÷0.9=
1-0.01=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
0.42×2=
9.6÷0.32=
4.8+2.7=
8-0.6=
21÷0.3=
0.05×0.4=
4.2-2=
0.7+0.23=
1.7×0.5= 21÷42=
1.43+14.3=
20-0.94=
3.5×101=
4.28+0.2=
8×0.3=
0.1-0.01=
7.2÷6=
2.5+6=
1÷0.25=
0.67+0.3=
3.2-0.4=
0.92-0.3=
0.38×100=
8×2.5=
8×1.25=
2.4÷0.06=
7.2+2.8=
2.7+5.6+7.3=
9.6÷0.3=
14×(20+1)=
8-2.5=
9.6÷0.8=
4÷0.5÷0.2=
0.8×0.5=
1.6×9+1.6=
12-9.9=
7-1.9-4.1=
14÷28=
2.3+5=
6.3+3.7=
3.2+0.48=
1.5×3=
0.6÷0.5=
4.3-0.3=
8.5-3=
15×0.2=
9-2.8=
4×0.25=
0.34+0.46=
0.78-0.28=
1.8÷0.9=
4.7×0.2=
1-0.65=
2.4÷0.3=
7÷0.5=
60×0.5=
0.25+0.75=
0.3×0.15=
5.1-3.9=
1.7+0.8=
7.2÷0.2=
2.4×0.2=
3.8×0.02=
1.8÷0.09=
0.27÷0.9=
0.3×1.5=
7.2+0.85=
0.83-0.7=
0.1+0.87=
2.3+7.7=
5+2.8=
6.7-3=
0.82-0.32=
1-0.06=
0.16+0.8=
0.18+0.72=
0.5-0.36=
4.3-3.8=
0.92-0.2=
0.2+0.75=
7.2×0.01=
4.2÷0.01=
8.1÷0.03=
0.8×1.25=
2.3+0.9=
0.1-0.01=
0.28×0.2=
0.49÷0.7=
0.3÷0.15÷0.2=
1-0.63=
4.8×0.2×0.5=
4.5+1.5=
10-1.8-2.2=
0.46÷2=
0.25+3.1+1.75=
1÷0.25=
2÷5=
0.45×0.2=
1.5×0.1=
1.5÷0.1=
4.5*6=
6-4.05=
8.4÷0.7=
3.67+6.13=
0.5*1.2=
0.55÷1.1=
5.42+7.5*1.6=
0.25*1.7*0.4=
7.86-4015-2.85=
0.125*32*2.5=
1.5*2.5=
3.7*4.1=
2.5*2.5=
6.25*1.1=
2.4*3.6=
7.2*4.8=
3.3*2.3=
8.4*5.2=
2.7*9.5=
4.6*7.6=
3.44*2.3=
6.9*3.5=
2.2*1.8=
17×40=
100-63=
3.2+1.68=
2.8×0.4=
14-7.4=
1.92÷0.04=
0.32×500=
0.65+4.35=
10-5.4=
4÷20=
3.5×200=
1.5-0.06=
0.75÷15=
0.4×0.8=
4×0.25=
0.36+1.54=
1.01×99=
420÷35=
25×12=
135÷0.5=
3/4+1/4=
2+4/9=
3-2/3=
3/4-1/2=
1/6+1/2 -1/6=
7.5-(2.5+3.8)=
7/8 + 3/8=
3/10 +1/5=
4/5-7/10=
2-1/6-1/3 =
0.51÷17=
32.8+19=
5.2÷1.3=
1.6×0.4=
4.9×0.7=
1÷5=
6÷12=
0.87-0.49=
1.8×4×0.5=
1.5-1.5×0.3=
1×8+1×2=
3.14×32=
100×0.1%=
第2个回答 2008-07-25
1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2×3/5
14.3.375+5.75+2.25+6.625
15.1001-9036÷18
16.3.8×5.25+14.5
17.2.1*4.3+5.7*2.1
18.30×1/3
19.102*45-328
20.2/3×12
21.2.8*3.1+17.6/8
22.3/5×5/6
23.(50-12.5)/2.5
24.2/5×1/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7×1/5
29.3.375*0.97+0.97*6.625
30.25×4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13×27
46.1.5×4.2-0.75÷0.25
47.3.27×4 +3.27×5.7
48.(1.2+ 1.8)×4.51025-768÷32
49.0.25×80-0.45÷0.9
50.1025-768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
1/2+1/3
2/1-5/4
9\3*3\9
3/4+5/4=? 4/5+6/5=? 5/6+6/7=?
三分之一加六分之五
五分之七加九分之六 八分之三乘六分之五 七分之四除以十一分之六
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2×3/5
14.3.375+5.75+2.25+6.625
15.1001-9036÷18
16.3.8×5.25+14.5
17.2.1*4.3+5.7*2.1
18.30×1/3
19.102*45-328
20.2/3×12
21.2.8*3.1+17.6/8
22.3/5×5/6
23.(50-12.5)/2.5
24.2/5×1/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7×1/5
29.3.375*0.97+0.97*6.625
30.25×4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13×27
46.1.5×4.2-0.75÷0.25
47.3.27×4 +3.27×5.7
48.(1.2+ 1.8)×4.51025-768÷32
49.0.25×80-0.45÷0.9
50.1025-768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
1/2+1/3
2/1-5/4
9\3*3\9
3/4+5/4=? 4/5+6/5=? 5/6+6/7=?
三分之一加六分之五
五分之七加九分之六 八分之三乘六分之五 七分之四除以十一分之六
第3个回答 2019-09-06
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
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
第4个回答 2008-07-14
3/5*5/3