43.1×0.625+3.75×4.31怎么巧算

43.1×0.625+3.75×4.31怎么巧算43.1×0.625+3.75×4.31怎么巧算43.1×0.625+3.75×4.31怎么巧算原式=4.31*6.25+3.75×4.31=4.31*

43.1×0.625+3.75×4.31怎么巧算
43.1×0.625+3.75×4.31怎么巧算

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