5分之3减去2分之1除以5的商,所得的差乘7分之6,积是多少? 谢谢,忙着写作业呢

2024-11-23 21:38:24
推荐回答(1个)
回答1:

(3/5-1/2÷5)×6/7
=(3/5-1/10)×6/7
=1/2×6/7
=3/7