问题描述： 0.79*0.46+7.9*0.24+11.4*0.079怎样简便运算? 1个回答 分类：数学 2014-09-20 问题解答： 我来补答 0.79×0.46+7.9×0.24+11.4×0.079=0.79×0.46+0.79×2.4+1.14×0.79=0.79×（0.46+2.4+1.14）=0.79×4=3.16 展开全文阅读
