0.25x3.2x1.25用简便计算

0.25x3.2x1.25用简便计算用简便计算
2024-11-07 14:38:40
推荐回答(1个)
回答(1):

0.25x3.2x1.25
=0.25x4x0.8x1.25
=(0.25x4)x(0.8x1.25)
=1x1
=1