已知集合
,
,
,则
的元素之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac54b843dbe01ac6dbb412b83a119af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a93ea558eaffc36d5c6da5c0725a9ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc992c9e51d4b22232adf6bb5c8055a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
A.5 | B.6 | C.7 | D.8 |
2024·全国·模拟预测 查看更多[3]
更新时间:2024-01-18 23:10:33
|
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单选题
|
容易
(0.94)
解题方法
【推荐1】已知
,
,若
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97057d4dc408bfe3126dbc45b9795df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b82b1135ad8e38a0d4741b56132e2b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ba583329b831d06312a1f20edb4a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.-1 | C.1或-1 | D.0或1或-1 |
您最近一年使用:0次
单选题
|
容易
(0.94)
名校
解题方法
【推荐1】已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef87ad66e5f7766f829dc5b3fe5ead2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6deb420e37b7ca7334fb74ddb899119c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67070a68185686687076d9b73c49a441.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次