七十五减七十五乘以五分之四(简便计算)

2024-12-03 19:08:15
推荐回答(3个)
回答1:

75-75×4/5
=75×(1-4/5)
=75×1/5
=15

回答2:

75-75X(4/5)
=75X(1-4/5)
=75X(1/5)
=15

回答3:

15