(a +2b)(a-2b)-1/2(a-8b)偶求你们了!快
来源：学生作业帮助网 编辑：六六作业网 时间：2024/06/05 00:53:35
(a+2b)(a-2b)-1/2(a-8b)偶求你们了!快(a+2b)(a-2b)-1/2(a-8b)偶求你们了!快(a+2b)(a-2b)-1/2(a-8b)偶求你们了!快(a+2b)(a-2b)-
(a +2b)(a-2b)-1/2(a-8b)偶求你们了!快
(a +2b)(a-2b)-1/2(a-8b)
偶求你们了!快
(a +2b)(a-2b)-1/2(a-8b)偶求你们了!快
(a +2b)(a-2b)-1/2(a-8b)
=a^2-4b^2-(1/2)a+4b