8.6×2.7+3.5×1.6怎样简便计算?_数学解答

8.6×2.7+3.5×1.6怎样简便计算?

人气：486 ℃　时间：2020-01-29 21:15:30

解答

把8.6 2.7 3.5 1.6分别化为分数,分别是
=86/10X27/10+35/10X16/10
=2322/10+1260/10
=3582/10
=358.2还有更简单的嘛