分数乘分数的口算题及答案?80道以上?
2/1X8=16
5/8X4=5/2
6/5X5=6
8/7X7=8
6/5Ⅹ10=12
分数乘分数
1/2X6/5=3/5
1/7Ⅹ7/5=1/5
1/7X1/8=1/56
8/9X2/7=18/63
1/22X22/4=1/4
分数除分数
5/4÷2/7=35/8
2/3÷8/16=3/4
8/6÷6/7=14/9
1/22÷4/22=1/4
5/2÷2/5=25/4
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=3/64
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
资料拓展:
分数乘分数法则
基本信息
中文名称
分数乘分数法则
外文名称
Fraction by fraction law
特点
分子相乘做分子,分母相乘做分母
法则
分数乘分数,分子相乘做分子,分母相乘做分母
分数乘分数的计算是用分子相乘的积做分子,分母相乘的积做分母。计算时能约分的可以先约分再乘。
2/1X8=16
5/8X4=5/2
6/5X5=6
8/7X7=8
6/5Ⅹ10=12
分数乘分数
1/2X6/5=3/5
1/7Ⅹ7/5=1/5
1/7X1/8=1/56
8/9X2/7=18/63
1/22X22/4=1/4
分数除分数
5/4÷2/7=35/8
2/3÷8/16=3/4
8/6÷6/7=14/9
1/22÷4/22=1/4
5/2÷2/5=25/4
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=3/64
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
资料拓展:
分数乘分数法则
基本信息
中文名称
分数乘分数法则
外文名称
Fraction by fraction law
特点
分子相乘做分子,分母相乘做分母
法则
分数乘分数,分子相乘做分子,分母相乘做分母
分数乘分数的计算是用分子相乘的积做分子,分母相乘的积做分母。计算时能约分的可以先约分再乘。
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=3/64
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=3/64
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
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分数乘整数
2/1X8=16
5/8X4=5/2
6/5X5=6
8/7X7=8
6/5Ⅹ10=12
分数乘分数
1/2X6/5=3/5
1/7Ⅹ7/5=1/5
1/7X1/8=1/56
8/9X2/7=18/63
1/22X22/4=1/4
分数除分数
5/4÷2/7=35/8
2/3÷8/16=3/4
8/6÷6/7=14/9
1/22÷4/22=1/4
5/2÷2/5=25/4
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=3/64
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