问题描述: 8-4.68/4.5X(0.25+0.5)简便算法 1个回答 分类:数学 2014-11-14 问题解答: 我来补答 8-4.68/4.5X(0.25+0.5)=8-468/450*(25+50)/100=8-468/(75*6)*75/100=8-468/6/100=8-6*78/6/100=8-78/100=(800-78)/100=722/100=7.22 展开全文阅读