256×54-256+47×256简便计算
问题描述:
256×54-256+47×256简便计算
答
256*54-256+47*256
=256*54-256*1+47*256
=256*(54-1+47)
=256*100
=25600
答
256×﹙54﹣1﹢47﹚=25600
答
256x54-256+47x256
=256x(54-1+47)
=256x100
=25600
答
256×54-256+47×256
=256x(54-1+47)
=256x100
=25600