50×74×8的简便计算,要准哦!!!!亲们!!

2025-02-24 07:33:27
推荐回答(2个)
回答1:

原式
=50x74x(2x4)
=(50x2)x(74x4)
=100x288
=28800

供参考。

回答2:

50x74x8(乘法结合律)
=50x8x74
=400x74
=29600