设
,
,且
,则代数式
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553cc1aa9133afb5366f858263a38da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee39cfa68c1ef00c3f2d0d3cba1afba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0687b9f2612100122ef9e2f4a85bce.png)
A.5 | B.7 | C.9 | D.11 |
更新时间:2021-07-20 21:53:18
|
【知识点】 已知式子的值,求代数式的值解读
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