名校
1 . 在
中,给出如下命题:
①
是
所在平面内一定点,且满足
,则
是
的垂心;
②
是
所在平面内一定点,动点
满足
,
,则动点
一定过
的重心;
③
是
内一定点,且
,则
;
④若
且
,则
为等边三角形,
其中正确的命题为_____ (将所有正确命题的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec09a159d6760fca8ae5966bf97b4e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd38fab7ea8a640f82ff3d2342dd6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf6ba33629128692e0b8c23100415a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05a266de6e73486d1c04003321c26ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8cfeb3d9af75a2c2a84701d4f0bb87.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5448c2bab910f9a914de6e9609a35c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ec4e396cae9d36d48acecbedac434b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
其中正确的命题为
您最近一年使用:0次
2019-09-11更新
|
773次组卷
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2卷引用:四川省宜宾市叙州区第一中学校2023-2024学年高二上学期开学考试数学试题