43.1×0.625+3.75×4.31怎么巧算
问题描述:
43.1×0.625+3.75×4.31怎么巧算
答
原式=4.31*6.25+3.75×4.31=4.31*(6.25+3.75)=43.1
43.1×0.625+3.75×4.31怎么巧算
原式=4.31*6.25+3.75×4.31=4.31*(6.25+3.75)=43.1