1%+3.75乘以80%除以4分之1用简便方法

分类: 作业答案 • 2021-12-28 14:32:53

问题描述：

答

1%+3.75乘以80%除以4分之1
=0.01+3.75乘以0.8乘以4
=0.01+(3.75乘以4)乘以0.8
=0.01+15乘以0.8
=0.01+12
=12.01