6.58×4.5×0.9最简便的运算方法._数学解答

6.58×4.5×0.9最简便的运算方法.

人气：323 ℃　时间：2019-09-27 08:14:20

解答

6.58*4.5*0.9
=3.29*9*0.9
=3.29*8.1
=(3.3-0.01)*(8+0.1)
=26.4-0.08+0.33-0.001
=26.73-0.081
=26.649