5.6×3.3-5.7×3.2怎么用脱式计算解出来?

2024-12-01 00:51:24
推荐回答(2个)
回答1:

5.6×3.3-5.7×3.2
=5.6×(3.2+0.1)-(5.6+0.1)×3.2
=5.6×3.2+5.6×0.1-5.6×3.2-0.1×3.2
=0.56-0.32
=0.24

回答2:

原式=5.6*(3.3-3.2)-3.2
=5.6*0.1-3.2
=0.56-3.2
=-2.64