问题描述: 简算.3/4×4/5÷3/4×5/4 8/13÷7+1/7×6/13 (3/5+1-1/10) 1个回答 分类:数学 2014-10-30 问题解答: 我来补答 3/4×4/5÷3/4×5/4 =3/4÷3/4×4/5×5/4=1×4/5×5/4=1×1=18/13÷7+1/7×6/13 =8/13×1/7+1/7×6/13=1/7×(8/13+6/13)=1/7×14/13=2/13 展开全文阅读