48x52×2-4x48的简便算法

2024-11-18 19:41:02
推荐回答(4个)
回答1:

原式
=48*(52*2-4)
=48*(26*4-4)
=48*[(26-1)*4]
=48*(25*4)
=48*100
=4800

回答2:

48x52×2-4x48
=4x48x(26-1)
=4x48x25
=100x48
=4800

回答3:

=48(52*2-4)=48*100=4800

回答4:

4800