35×25 35×75 35简便计算?

2025-04-08 21:03:21
推荐回答(2个)
回答1:

解:这道题考点为加法的结合律!
=35*(25+75)+35
=35*100+35
=3500+35
=3535

回答2:

35×25+35×75+35
=35×(25+75)+35
=35×100+35
=3500+35
=3535