已知
,则代数式
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8641de131e86041bb4cee948569cdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38948977be8d02c9f0abe31f89d564f0.png)
A.7 | B.14 | C.28 | D.49 |
更新时间:2023-07-05 12:07:59
|
【知识点】 数与式
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A.![]() | B.![]() | C.![]() | D.![]() |
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