0.125乘34加18乘8.25加12.5%,简便计算

分类: 作业答案 • 2021-12-20 01:22:40

问题描述：

答

0.125乘34加18乘8.25加12.5%
=0.125*34+18*8.25+12.5%
=0.125*35+(20-2)*8.25
=0.125*8*4.375+165-16.5
=4.375+165-16.5
=4.375+148.5
=152.875