简便计算4.25×0.75+75%+4.75+0.75_数学解答

简便计算4.25×0.75+75%+4.75+0.75

人气：396 ℃　时间：2020-05-28 10:18:03

解答

4.25×0.75+75%+4.75+0.75
=4.25×0.75+0.75×1+4.75+0.75
=4.25×0.75+1×0.75+4.75+0.75
=0.75×（4.25+1+4.75）
=0.75×10
=7.5