166×25-75×22怎么简便运算？

Question

简便计算

Answer 1

你好，此题解答如下：
166×25-75×22
=166×25-25×3×22
=166×25-25×66
=(166-66)×25
=100×25
=2500
希望能够帮到你。本回答被提问者采纳

Answer 2

166＊25-75＊22
=166＊25-25＊3＊22
=166＊25-25＊66
=25＊(166-66)
=25＊100
=2500

Answer 3

那就应该是
=166x25-25x3x22
=166x25-66x25
=25x(166-66)
=25x100
=2500

Answer 4