3.5*2.9+0.35*71简便算法是?
问题描述:
3.5*2.9+0.35*71简便算法是?
答
= 0.35*29+0.35*71
=0.35*(29+71)
=35
3.5*2.9+0.35*71简便算法是?
= 0.35*29+0.35*71
=0.35*(29+71)
=35