已知
,
,求下列各式的值:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8afee76ed914cb0b613204d410efaa6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33d2625aa66f1d3561310fc501ad109.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8df6f27065bff9c0e3fab73922a9bd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745c100afb56c39c7706fc59aacac0ba.png)
更新时间:2023-03-29 07:35:39
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【推荐1】(1)计算:
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(2)化简:(2a+1)(2a﹣1)﹣a(4a﹣2).
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
(2)化简:(2a+1)(2a﹣1)﹣a(4a﹣2).
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解答题-问答题
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【推荐2】已知x=
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