简便计算75X25＋22X25-25

Question

如题所述

Answer 1

请采纳

Answer 2

75×25+22×25-25
=75×25+22×25-25×1
=（75+22-1）×25
=96×5×5
=480×5
=2400
乘法结合律本回答被网友采纳

Answer 3

解：
75X25＋22X25-25
=25（75+22-1）
=25X96
=25X（100-4）
=2500-100
=2400