小学六年级分数乘分数法计算题

发布网友 发布时间:2022-04-27 09:03

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热心网友 时间:2023-01-29 05:24


分数乘整数时,用分数的分子和整数相乘的积做分子,分母不变。(能约分要在计算中先约分)

分数乘分数,用分子相乘的积做分子,分母相乘的积做分母,能约分的要约成最简分数(在计算中约分)。

但分子和分母不能为零。

能约分的要先约分,再计算。

热心网友 时间:2023-01-29 06:42

4/9×4/3=16/27 1/3×1/3=1/9 1/2×1/3=1/6 2/7×7/2×2/7=2/7 21/25×25/42=1/2 

4/5×3/4=3/5 8/7×1/2=4/7 7/4×1/4×1/2=7/32 

1/7×1/2=1/14 2/3×5/6=5/9 1/5×3/8=3/40 3/5×5/8=3/8 6/7×3/2=9/7 5/6×8/3=20/9 4/11×3/4=3/11 4/9×3/8=1/6 5/3×1/5=1/3 4/3×4/9=16/27 1/3×1/2=1/6 2/7×1/2=1/7 41/12×1/4=41/48 1/4×3/16=3/ 1/12×9/4=3/16 75/8×1/5=15/8

7/12×1/9= 7/108 2/3×7/3=14/9 3/8×9/4=27/32 5/3×3/5=1
4/5×5/8=1/2 7/9×9/7=1 2/3×1/7=2/21 1/4×3/50=3/200
4/5×1/2= 2/5 2/3×29/8=29/12 3/2×7/9=7/6 2/3×3/4=1/2 

5/6×1/3=5/18 6/5×1/6 =1/5 2/1×7/2=7 3/2×1/3=1/2
1/22×4/5=2/55 5/6×8/3=20/9 4/11×3/4=3/11 2/3×5/6=5/9
1/5×3/8=3/40 3/5×5/8=3/8 8/7×1/2=4/7 7/4×1/2=7/8 

1/7×1/2=1/14 2/3×5/6=5/9 8/7×3/2=12/7 5/12×1/9=5/108
7/4××1/2=7/8 1/7×1/2=1/14 2/3×5/6=5/9 2/3×1/2=1/3
2/3×5/6=5/9 1/5×3/8=3/40 2/3×7/3=14/9 8/7×1/2=4/7

1/7×1/2=1/14 2/3×5/6=5/9 1/5×3/8=3/40 3/5×5/8=3/8
5/6×1/3=5/18 6/5×1/6 =1/5 2/1×7/2=7 3/2×1/3=1/2
1/22×4/5=2/55 5/6×8/3=20/9 4/11×3/4=3/11 2/3×5/6=5/9 

1/5×3/8=3/40 3/5×5/8=3/8 4/3×4/9=16/27 1/3×1/2=1/6
1/7×5/2=5/14 1/3×5/6=5/18 1/5×3/8=3/40 3/5×5/8=3/8 6/7×3/2=9/7 5/6×8/3=20/9 4/11×3/4=3/11 4/9×3/8=1/6 5/3×1/5=1/3 4/3×4/9=16/27 1/3×1/2=1/6 2/7×1/2=1/7 

6/7×3/2=9/7 5/6×8/3=20/9 4/11×3/4=3/11 3/5×5/8=3/8 8/7×1/2=4/7 7/4×1/2=7/8 1/7×1/2=1/14 2/3×5/6=5/9 

4/9×3/8=1/6 5/3×1/5=1/3 4/3×4/9=16/27 1/3×1/2=1/6 2/7×1/2=1/7 41/12×1/4=41/48 1/4×3/16=3/ 1/12×9/4=3/16 7/12×1/9= 7/108 2/3×7/3=14/9 3/8×9/4=27/32 5/3×3/5=1 

4/5×1/2= 2/5 1/3×1/3=1/9 2/3×5/6=5/9 1/5×3/8=3/40 3/5×5/8=3/8 6/7×3/2=9/7 5/6×8/3=20/9 4/5×3/4=3/5
8/7×1/2=4/7 7/4×1/2=7/8 1/7×1/2=1/14 1/3×1/3=1/9 

4/5×5/8=1/2 7/9×9/7=1 2/3×1/7=2/21 1/4×3/5=3/20
4/5×1/2= 2/5 2/3×29/8=29/12 3/2×7/9=7/6 2/3×3/4=1/2
5/6×1/3=5/18 6/5×1/6 =1/5 2/1×7/2=7 3/2×1/3=1/2 

1/22×4/5=2/55 5/6×8/3=20/9 4/11×3/4=3/11 2/3×5/6=5/9
4/11×3/4=3/11 2/3×5/6=5/9 5/6×8/3=20/9 4/5×3/4=3/5
1/5×3/8=3/40 3/5×5/8=3/8 8/7×1/2=4/7 7/4×1/4=7/16 

4/9×3/8=1/6 5/3×1/5=1/3 4/3×4/9=16/27 1/3×1/2=1/6
5/6×8/3=20/9 4/11×3/4=3/11 1/7×1/2=1/14 2/3×5/6=5/9 

1/2×1/3=1/6 1/4×3/16=3/ 4/11×3/4=3/11 4/9×3/8=1/6 5/3×1/5=1/3 4/3×4/9=16/27 1/3×1/2=1/6 2/7×1/2=1/7 41/12×1/4=41/48 1/4×3/16=3/ 1/12×9/4=3/16 75/8×1/5=15/8

7/12×1/9=7/108 2/3×7/3=14/9 1/12×9/4=3/16 75/8×1/5=15/8
5/8×1/5=1/8

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