若
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866bbf692b01d5cad7062269a82626c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4255037402477731a6a0d31051f8a2a2.png)
A.0 | B.1 | C.![]() | D.1或![]() |
更新时间:2018-10-24 11:28:56
|
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单选题
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较易
(0.85)
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解题方法
【推荐1】若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1c9f257e84a843ab952c9b508b64b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16f46dbcf2a6d6e530c9817d8073419.png)
A.0 | B.1 | C.-1 | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】若
,则a2020+b2020的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866bbf692b01d5cad7062269a82626c8.png)
A.0 | B.﹣1 | C.1 | D.1或﹣1 |
您最近一年使用:0次
单选题
|
较易
(0.85)
解题方法
【推荐2】已知
,其中
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd4633d30c079061a9be4b52a6fe2d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.0 | B.![]() ![]() | C.![]() | D.![]() |
您最近一年使用:0次