1.25*(35+0.8)简便计算_数学解答

1.25*(35+0.8)简便计算

人气：267 ℃　时间：2020-01-28 12:27:10

解答

1.25*(35+0.8)
=1.25*35+1.25*0.8
=1.25*(32+3)+1
=1.25*32+1.25*3+1
=1.25*8*4+3.75+1
=40+4.75
=44.75