(1-3⼀10,除以6⼀7)乘×10⼀13?

简便
2025-04-02 06:36:51
推荐回答(1个)
回答1:

(1-3/10÷6/7)乘×10/13
=(1-7/20)×10/13
=3/20×10/13
=3/26