(1.5a- 2/3b)²

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 18:36:35
(1.5a- 2/3b)²

(1.5a- 2/3b)²
(1.5a- 2/3b)²

(1.5a- 2/3b)²
(1.5a- 2/3b)²
=(3/2a- 2/3b)²
=9/4a²+4/9b²-2