1 . 在
中,
,且对AB边上任意一点N,恒有
,则有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e05090070db1d82ba24b1497b698e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bcaba23e548d9fc51233b9ce8ded90.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知
是边长为1的正三角形,动点M在平面ABC内,若
,
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3428fd9bd7256d9c5d8a3bc4f6977b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c85f886220ea432d44ba45510aff34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390de59dee9554cdad55d9d39f7f77df.png)
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3 . 已知
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935f7005a07574be1b2317b876afc60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578853e3cd49b1a7c80ab6d1e507ba22.png)
A.![]() | B.2 | C.![]() | D.-2 |
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4 . 如图,在
中,
为
的中点,
为
上任一点,且
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3175baa49394a54b46bda191a7f88a03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c227da7ad9d24ae3e3740febf9f293.png)
![](https://img.xkw.com/dksih/QBM/2016/5/30/1572653876027392/1572653882007552/STEM/948c376da8f94d578984fe5ca5f24987.png?resizew=153)
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5 . 已知函数
.
(1)求
最小正周期;
(2)求
在区间
上的最大值和最小值.
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573119903858688/1573119910232064/STEM/379a69ea911a4df0961bf8f101900010.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573119903858688/1573119910232064/STEM/65731f6dfbcd4d89b329eff71a977b9b.png)
(2)求
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573119903858688/1573119910232064/STEM/65731f6dfbcd4d89b329eff71a977b9b.png)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573119903858688/1573119910232064/STEM/615cd94e2279417091142c720fa75823.png)
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6 . 若点
在函数
的图象上,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f9bf900179a89b18f164bb21d99e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cf7675fc49cbdf3611ac547d85c8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb34c78ac88151dc743cf8d8dfb501f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 在直角三角形
中,
,M,N是斜边AB上的两个动点,且
,则
的取值范围为
![](https://img.xkw.com/dksih/QBM/2016/2/22/1572489983975424/1572489989644288/STEM/ed4ce89c9ca2411ca3b8055f254818dc.png)
![](https://img.xkw.com/dksih/QBM/2016/2/22/1572489983975424/1572489989644288/STEM/ef5d19ae44294bd9aa726d149a3a5ffe.png)
![](https://img.xkw.com/dksih/QBM/2016/2/22/1572489983975424/1572489989644288/STEM/5ad659873c6444f69044b661e0eaa4ff.png)
![](https://img.xkw.com/dksih/QBM/2016/2/22/1572489983975424/1572489989644288/STEM/e2a5a655b1854f70b269ba6626e82776.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 .
是边长为
的等边三角形,已知向量
,
满足
,
,则下列结论错误的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46339ad09a0f145eae10dee14e6c287d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b5960e052f614ae45628785cb2cbf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de5362198549a41e5969290b3c30864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b4be568b8d3124692c2598a2c1a08dc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 在平行四边形
中,
,
,
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1887a1513aee097a396e99d7399c4e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4851948ee018b0cf4e52b04f738f3f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bcf16c6535d73f5b131d4b33ee5b6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6cbb6f308715ba2e58c11e61dc7d61.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
422次组卷
|
2卷引用:2016届安徽省合肥一中等六校高三第二次联考文科数学试卷
10 . 在直角坐标系
中,已知点
,点
在
中三边围成的区域(含边界)上,且
.
(1)若
,求
;
(2)用
表示
并求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ddbdc7ed44c4c53aa1f4b0f929ee6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://img.xkw.com/dksih/QBM/2016/2/16/1572481125187584/1572481130700800/STEM/473143ca14614d14a79444cba43162ad.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3779f488f38824534ae1301abd6b48.png)
![](https://img.xkw.com/dksih/QBM/2016/2/16/1572481125187584/1572481130700800/STEM/221c389410ff4a08acb827bab429400d.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50aab4cb841d33b200d8b07d65a40d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50aab4cb841d33b200d8b07d65a40d9.png)
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