3.56*38.5+0.7*356+9.15*35.6 这道题该怎样用简便方法计算

2025-06-28 21:22:05
推荐回答(1个)
回答1:

3.56*38.5+0.7*356+9.15*35.6
=3.56*38.5+70*3.56+91.5*3.56
=3.56*(38.5+70+91.5)
=3.56*200
=712