256x99+256的简便方法是

2025-04-05 22:43:11
推荐回答(3个)
回答1:

计算步骤:
=256x(9+1)
=256x10
=2560

回答2:

256x99+256
=256x(99+1)
=256x100
=25600

回答3:

256*(99+1)