问题描述: 0.75*5.125+5.875*75%+0.75简算 1个回答 分类:数学 2014-12-11 问题解答: 我来补答 0.75*5.125+5.875*75%+0.75=0.75*5.125+5.875*0.75+1*0.75=0.75*(5.125+5.875+1)=0.75*12=0.25*3*4*3=(0.25*4)*(3*3)=1*9=9 展开全文阅读