43.1×0.625+3.75×4.31在那么巧算
问题描述:
43.1×0.625+3.75×4.31在那么巧算
答
4.31×6.25+3.75×4.31 =4.31×(6.25+3.75)=43.1
43.1×0.625+3.75×4.31在那么巧算
4.31×6.25+3.75×4.31 =4.31×(6.25+3.75)=43.1