名校
1 . 如图,在
中,
是
的中点,
.
,
,求
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662c1357657b89d42e43ad295985389f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dc39e2113669164b4894c2ef739f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d81d732204a3c2384a27606f858677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcedc17f292990a25ffe350f8d7be432.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ba7e0374dabeb58e459f47c5baf952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2024-04-02更新
|
633次组卷
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2卷引用:福建省莆田第二十五中学2023-2024学年高一下学期第一次质量检测数学试题
解题方法
2 . 已知向量、
,则下列说法中正确的是( )
A.![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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名校
解题方法
3 . 点是
所在平面上一点,若
,则
与
的面积之比是
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解题方法
4 . 已知向量
,
不共线,且
,
,
,若
,
,
三点共线,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413098e3d49501a37f38a6061942f516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea243c7ab7dae11a4b7c25d481ce2e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c6e90415f78b81065d82eab08a6fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.0 | B.1 | C.2 | D.3 |
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2024-03-31更新
|
514次组卷
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5卷引用:江苏省如皋中学2023-2024学年高一下学期教学质量调研(一)数学试题
名校
解题方法
5 . 已知向量
,
不共线,若
,
,则下列条件能使A,B,C三点共线的有( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee804be67c732d124e723209e07d471a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e47d0c1a9b39bcdee37e8f0971015ddc.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
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2024-03-29更新
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2卷引用:辽宁省抚顺市雷锋高级中学2023-2024学年高一下学期开学质量检测数学试卷
名校
6 . 如图所示,在
中,
为
边上一点,且
.过
点的直线
与直线
相交于
点,与直线
相交于
点(
,
两点不重合).
,
表示
;
(2)若
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/ff400c098ae6bf6abd24651a5a21114e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4425dc7c346e4597c0521d7f636174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d3605b320cae7b4a85aa273dfb7e606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaac97efa5492fc72fb0f773f0c4861.png)
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7 . 已知向量
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080b04edc4e58a08a06deec6e801a93e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e8f67c7c306749ca8170b293e18a77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6a613f8b0e32fb71902f50f30ca4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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解题方法
8 . 设
,
是两个不共线的向量,若向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce2c82df5378e12230dbc1f1b05c914.png)
与向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2edf85f330509d9fac6bfdfa28bd95.png)
共线,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce2c82df5378e12230dbc1f1b05c914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6facf5440e83e273c75c2f17347c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2edf85f330509d9fac6bfdfa28bd95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6facf5440e83e273c75c2f17347c0f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-03-25更新
|
648次组卷
|
3卷引用:江苏省高邮市2023-2024学年高三下学期3月学情调研测试数学试题
解题方法
9 . 在
中,点
是线段
上一点,点
是线段
上一点,且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e44dda388cb29c74ababb811aab2fbc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd85a0f2ff80c84bf23eb808a349320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-25更新
|
732次组卷
|
2卷引用:陕西省西安市长安区2024届高三下学期第一模拟考试理科数学试卷
名校
解题方法
10 . 如果
是平面
内所有向量的一个基底,那么下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a341ba62373f3286b0a3425cbc3f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.若存在实数![]() ![]() ![]() |
B.平面![]() ![]() ![]() ![]() |
C.![]() ![]() |
D.对于平面![]() ![]() ![]() ![]() |
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2024-03-25更新
|
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2卷引用:陕西省咸阳市实验中学2023-2024学年高一下学期第一次月考数学试题