一减九分之五乘二十五分之二十七,的过程?

2024-12-28 15:04:07
推荐回答(2个)
回答1:

1-5/9x27/25(5与25约分,9与27约分)
=1-3/5
=(5-3)/5
=2/5

回答2:

1-5/9*27/25
=1-3/5
=2/5