6.35*0.75+4.65*75%-3/4 简便运算_数学解答

6.35*0.75+4.65*75%-3/4 简便运算

人气：495 ℃　时间：2020-03-28 12:59:27

解答

6.35*0.75+4.65*75%-3/4
=6.35*0.75+4.65*0.75-0.75
=0.75*（6.35+4.65-1）
=0.75*10
=7.5