已知
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1da975a817b899641dd55a52ecd3f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a5abe56c019ac914e1fcde1865a747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
更新时间:2018-01-10 04:29:41
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【知识点】 已知字母的值 ,求代数式的值解读
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适中
(0.65)
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【推荐1】若
,
,且
,则
的值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1aaaea0449ea43cf2cd284441ecfbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcbb2d9e082462c06c281dd00cedbbcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.5或![]() | B.5或1 | C.5或![]() | D.![]() |
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