怎么简算.0.5x2.5x12.5x64

问题描述:

怎么简算.0.5x2.5x12.5x64

0.5x2.5x12.5x64
=0.5x0.25x12.5x8x4x2
=(2.5x4)x(12.5x8)x(2x0.5)
=1x10x1
=10感谢你的解答不用谢