(1-3⼀10÷6⼀7)乘10⼀13,简便计算。

2025-03-18 19:51:38
推荐回答(1个)
回答1:

(1-3/10÷6/7)x10/13
=10/13-3/10x7/6x10/13
=10/13-7/26
=20/26-7/26
=13/26
=1/2