12.5x7.2脱式计算?

2024-11-22 08:39:01
推荐回答(3个)
回答1:

如图所示。

回答2:

12.5×7.2
=12.5×8×0.9
=100×0.9
=90

回答3:

 5 12.5x7.2脱式计算?
 12.5x7.2
=12.5x4x1.8
=50x1.8
=5x18
=90