3.2乘1.8加2.54等于多少(要简便计算)急急急

2025-02-19 06:37:48
推荐回答(4个)
回答1:

原式=3.2×(2-0.2)+2.54
=6.4-0.64+1.9+0.64
=6.4+2-0.1
=8.3

回答2:

3.2×1.8+2.54
=8.3

回答3:

buzhidao

回答4:

buz