Question

二十一分之四乘以二十五分之九乘以四十八分之三十五,分数等于多少？

Answer 1

二十一分之四乘以二搜渗纤十五分喊悄之九乘以四十八分之三世仿十五.即
4/21×9/25×35/48=1/20.

Answer 2

4/21*9/25*35/48
=1/4
通过约分就计算出来结果了。

追答

还有一个分母5呢，结果应该是1/20

Answer 3

4/21x9/25x35/48
=1/21x35/12x9/25
=1/21x7/12x9/差穗5
=1/3x1/衫带12x9/5
=1x1/12x3/5
=1x1/4x1/或庆芦5
=1/20

Answer 4

4/21＊没枯9/25＊35/48
=1/3＊9/25＊5/12
=3/25＊枯租洞型岁5/12
=1/20

Answer 5

4/21x9/25x35/48

=1/差穗21x35/衫带12x9/或庆芦25

=1/21x7/12x9/5

=1/3x1/12x9/5
=1x1/12x3/5

=1x1/4x1/5
=1/20