(9⼀10+3⼀4)×5⼀6-1⼀2能简便就简便

2025-05-20 08:40:53
推荐回答(1个)
回答1:

(9/10+3/4)×5/6-1/2能简便就简便
=(18/20+15/20)x5/6-1/2
=33/20x5/6-1/2
=11/8-4/8
=7/8