问题描述: 1又2/3-[(3.62*2/15+6.38除以7又1/2)*1.82-1又1/3*0.82]要怎样简便计算就我啊 1个回答 分类:数学 2014-09-27 问题解答: 我来补答 5/3-[(3.62*2/15+6.38*2/15)*1.82-4/3*0.82]=5/3-[(3.62+6.38)*2/15*1.82-4/3*0.82]=5/3-[10*2/15*1.82-4/3*0.82]=5/3-[4/3*1.82-4/3*0.82]=5/3-4/3=1/3 展开全文阅读