128x125x25怎简便算法

2024-12-22 10:11:45
推荐回答(2个)
回答1:

128x125x25
=8x4x4x125x25
=(8x125)x(25x4)x4
=1000x100x4
=400000

回答2:

原式
=4x4x8x125x25
=4x4x25x8x125
=4x100x1000
=400x1000
=400000