问题描述: 简算:15.37*7.98-9.37*7.98+15.37*2.11-0.937*21.1 1个回答 分类:数学 2014-11-04 问题解答: 我来补答 15.37*7.98-9.37*7.98+15.37*2.11-0.937*21.1=(15.37-9.37)*7.98+(1.537-0.937)*21.1=6*7.98+0.6*21.1=6*(7.98+2.11)=6*10.09=60.54 展开全文阅读