5.5×17.3+67×0.55的简便计算_数学解答

5.5×17.3+67×0.55的简便计算

人气：404 ℃　时间：2020-05-08 18:49:26

解答

5.5×17.3+67×0.55
=5.5×17.3+6.7×5.5
=5.5×(17.3+6.7)
=(5+0.5)×24
=5×24+0.5×24
=120+12
=132