十七分之五乘二十分之九=?四分之三乘六分之七=?八分之五乘五分之四=?

问题描述:

十七分之五乘二十分之九=?四分之三乘六分之七=?八分之五乘五分之四=?

5/17*9/20=9/68
3/4*7/6=7/6
5/8*4/5=1/2

=5/17x9/20
=1/17x9/4
=9/68

=3/4x7/6
=1/4x7/2
=7/8

=5/8x4/5
=1/8x4
=1/2
希望能帮你忙,不懂请追问,懂了请采纳,谢谢

5/17X9/20=9/68
3/4X7/6=7/8
5/8X4/5=1/2