2.5X4.4用简便算法怎么算?

2024-12-23 15:06:30
推荐回答(2个)
回答1:

2.5X4.4用简便算法怎么算:
2.5X4.4
=2.5×(4+0.4)
=2.5×4+2.5×0.4
=10+1
=11

回答2:

2.5×4.4
=2.5×(4+0.4)
=2.5×4+2.5×0.4
=10+1
=11