75乘0.56+32乘0.44-5.6乘4.3简便计算

分类: 作业答案 • 2021-12-19 11:35:16

问题描述：

答

75×0.56+32×0.44-5.6×4.3
=75×0.56-5.6×4.3+32×0.44
=75×0.56-0.56×43+32×0.44
=(75-43)×0.56+32×0.44
=32×0.56+32×0.44
=32×(0.56+0.44)
=32×1
=32