4⼀5×38.3+4⼀10×17⼀5 简便计算

2025-01-01 00:33:09
推荐回答(1个)
回答1:

4/5*38.3+4/10*17/5
=4/5*38.3+4/5*17/10
=4/5(38.3+1.7)
=0.8*40
=32