256×54-256+47×256简便计算

问题描述:

256×54-256+47×256简便计算

256*54-256+47*256
=256*54-256*1+47*256
=256*(54-1+47)
=256*100
=25600

256×﹙54﹣1﹢47﹚=25600

256x54-256+47x256
=256x(54-1+47)
=256x100
=25600

256×54-256+47×256
=256x(54-1+47)
=256x100
=25600