
5.6×3.3-5.7×3.2怎么用脱式计算解出来?
2个回答
展开全部
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
=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
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