问题描述： 34.8*6.3+473*0.37+13*5.25怎简便做 1个回答 分类：数学 2014-11-10 问题解答： 我来补答 34.8*6.3+473*0.37+13*1.25=34.8*6.3+47.3*3.7+13*1.25=34.8*6.3+34.8*3.7+12.5*3.7+1.3*12.5=34.8*(6.3+3.7)+12.5*(3.7+1.3)=34.8*10+12.5*5=348+62.5=410.5 再问： 是34.8*6.3+473*0.37+13*5.25请指教 再答： 34.8*6.3+473*0.37+13*5.25 =34.8*6.3+47.3*3.7+13*1.25+13*4 =34.8*6.3+34.8*3.7+12.5*3.7+1.3*12.5+52 =34.8*(6.3+3.7)+12.5*(3.7+1.3)+52 =34.8*10+12.5*5+52 =348+62.5+52 =410.5+52 =462.5 展开全文阅读
