名校
1 . 下面几个命题:①若
,则
;②若
,则
;③若
,则
;④若向量
,
满足
,则
.其中正确命题的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778542d99ab19e2ecc0c7ef75161f133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4e5897cc6378c993ae77e93c91e444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8e462f7905f8b2c9984a31b904f831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4f584c360eb57a254c9f8c8d37e068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4e5897cc6378c993ae77e93c91e444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778542d99ab19e2ecc0c7ef75161f133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff36434de0b210585ac2fe13f15f087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778542d99ab19e2ecc0c7ef75161f133.png)
A.0 | B.1 | C.2 | D.3 |
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2021-03-25更新
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359次组卷
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4卷引用:湖北省黄冈市黄梅国际育才高级中学2020-2021学年高一下学期3月月考数学试题