(5⼀6-4⼀15+7⼀10)÷1⼀30怎么算?

2024-12-18 21:29:05
推荐回答(1个)
回答1:

依据题意列式计算如下:
(5/6-4/15+7/10)÷1/30
=5/6×30-4/15×30+7/10×30
=5×5-4×2+7×3
=25-8+21
=46-8
=38