203X54+54x70简便方法?

2024-11-18 13:30:08
推荐回答(2个)
回答1:

203x54+54x70
=54x(203+70)
=54x273
=14742

回答2:

203×54+54×70
=200×54+70×54+3×54
=10800+3780+162
=14580+162
=14742