7分之5加4分之3乘6分之5减8分之3的简便运算

2024-11-08 08:39:11
推荐回答(1个)
回答1:

5/7+3/4×5/6-3/8
=5/7+5/8-3/8
=5/7+(5/8-3/8)
=5/7-1/4
=13/28