5-3.7×2/3的差乘5/7脱式计算怎样计算

Question

5-3.7×2/3的差乘5/7脱式计算怎样计算

Answer 1

5-3.7×2/3的差乘5/7脱式计算怎样计算
解：
(5-3.7×2/3)×5/7
=(5-37/15)×5/7
=5×5/7-37/15×5/7
=25/7-37/21
=38/21本回答被网友采纳