巧算过程详细解析9.7×0.5×0.5
解题过程:
9.7×0.5×0.4
=9.7×(0.5×0.4)
=9.7×0.2
=1.94
存疑请追问,满意请采纳
此题可以后面的先做,具体的如下:
=9.7x(0.5x0.4)
=9.7x0.2
=1.94
应用乘法结合律可以使计算简便。
9.7x0.5x0.4
=9.7x(0.5x0.4)
=9.7x0.2
=1.94
9.7×0.5×0.4
=9.7×(0.5×0.4)
=9.7×0.2
=1.94
9.7*0.5*0.4
=9.7*(0.5*0.4)
=9.7*0.2
=1.94