1 . 下列哪一组中的函数
与
相等
①
,
; ②
,
;
③
,
④
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10b2fc16709a3dabf8e35fbe1027183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1477874f709beddc3fe82cf92be007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe9089c2899fbb32a29f536080e7e8f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b173166606635b4611f22b079d91e171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6bc2e490e684b8120b0d09ff9bd3a11.png)
A.①④ | B.②③ | C.③④ | D.①② |
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2018-02-24更新
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568次组卷
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2卷引用:山西省忻州市2017-2018学年高一上学期期末考试数学试题