2023高三·全国·专题练习
1 . 已知点
是
所在平面内一点,满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0774788971621bac3534071e713069c7.png)
_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d1d626fefaea0c627d55d4c8b0296f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7165e90195ad610845a328b9ec7bec3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0774788971621bac3534071e713069c7.png)
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解题方法
2 . 如图,设
,
是平面内成
角的两条数轴(即
),以
,
为坐标轴建立平面坐标系,则称平面坐标系
为
斜坐标系,
,
分别是与x,y轴正方向同向的单位向量.若
,则把有序数对
叫做向量
的斜坐标,记为
.在
的斜坐标系中,
,
,则下列结论中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14069d21d32c724f0ebe3e311f114c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d9c9451bf99a367f7f29991dc8ab4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa71de5a53375e6247a8c2eebb409e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14069d21d32c724f0ebe3e311f114c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e369bf3029862cf021f54681a9086ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee10451fe3e2b5eaaa8d6e576c28281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062fc4c29cf60404985550c6ffef7cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e723e57753f0a4fe1ef8ca1aee0e2117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92cae27fcabba8073b6e58c759b2cc14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905dd10639c9fef5ef8d66a124756140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5379b7cff421f53c6a33e6d3803647.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/18/93887acd-53b0-45e2-b926-30f85ef84798.png?resizew=154)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
3 . 如图,在平面四边形ABCD中,
,
,AC与BD交于点E,且
,
.
(1)设
,
,请用向量
,
分别表示向量
,
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4dbea6a5faecdd8f6c06cf9fd43a90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386c7de62e8f9a8161ebaefe6b4ec35e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ad290e4f77b2b30eede58eb8fa7c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a499b842f86f8d3d7bc0a376541028.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/20/46fab641-2488-4988-a4d7-a46d911f9625.png?resizew=200)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2673e0aa8899dfe0f7d5b5fd04915af1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c23e76822311f813e5fceffaa6883ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff29f08d9394679da2409095df55b9b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1ce2ae0bc6be52a311643cbb7962ed.png)
您最近一年使用:0次
名校
4 . 如图,圆
半径为
,圆外一点
到圆心
的距离为
,过
引圆
的两条切线,切点分别记为
、
,
为圆
上的一个动点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33bcefab72d0e90287eb418472c715c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/21/54a879fa-2a1d-4162-9ea9-4bfc5041a823.png?resizew=144)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-06-17更新
|
566次组卷
|
2卷引用:福建省宁德市五校教学联合体2023届高三下学期3月质量监测数学试题
名校
解题方法
5 . 如图所示,在
中,
,
,
,
,
.
(1)用
,
表示
;
(2)求
的模长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1371fe98a65d8ebd840c8d98346b6d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ffee2e11a1c7a271b32f84737f1850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a04f902d067b645443f67aa7793cdbc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/19/2c4e643c-1d1d-46bc-a663-49759c9dd9cd.png?resizew=151)
(1)用
![](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)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f33a112e9728d7b560199765c815f69.png)
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解题方法
6 . 如图,梯形ABCD,
,
,E为BC的中点,F是AD上的任意一点,设
.
(1)当F是AD的三等分点时,试用向量
,
表示向量
;
(2)若
,求证:
的最小值与t无关.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef4e2976b194877ec06f84b04670cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd0945da5f2f4bedb3f69eeb623f212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475ab01eb1221e8d4bb283d57a2f7194.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/19/bdd41a84-b6d5-4c14-9ebb-0e2247a41f83.png?resizew=170)
(1)当F是AD的三等分点时,试用向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c085dbb9d78aef7d81c3f4d6855f067b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc78f89939084f4979069d2d5b45833.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1dcbdf388fdf60a2e888f503c640961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebac1230346382e452057c7733a1b6b2.png)
您最近一年使用:0次
解题方法
7 . 如图,在
中,M是边BC的中点,N是线段BM的中点.
和
分别表示
和
;
(2)若直线
交
于点
,交
于点
,交
于点
,
,求
最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/4fe6d728b430549f00bb9c0a7bf8bf7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8962b0c33df0302e741501c1491bf643.png)
(2)若直线
![](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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.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/53b849e17e3be598378c8ef451aaa9d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaac97efa5492fc72fb0f773f0c4861.png)
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8 . 如图,在边长为1的正三角形ABC中,D为AB的中点,
,过点O的直线交边AB与点M,交边AC于点N.
,
表示
;
(2)若
,
,求
的值;
(3)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4f3cfeb930aa6221f7e01223a0db12.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/6ef2723673c90347f6dd58346278c7fa.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70fa908112806dc176b8abdc3b3aaa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a93a467f11c29aa3ec6124398b1c5a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e62ba44cbfec6823ebc1f0c7457fb.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfdcb46ca7d659aadac17e09fad3d65.png)
您最近一年使用:0次
解题方法
9 . 点
在线段
上(不含端点),
为直线
外一点,且满足
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bedda8b8071d2d9348336ffcba9d345.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b254de69ce5145a910c3244562566b7d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 若M是△ABC所在平面内一点,则下列说法中正确的是( )
A.若![]() |
B.若![]() |
C.若![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2023-06-17更新
|
466次组卷
|
4卷引用:江苏省常州高级中学2021-2022学年高一上学期期末数学试题
江苏省常州高级中学2021-2022学年高一上学期期末数学试题(已下线)高一数学下学期期末模拟试卷02-【题型分类归纳】(苏教版2019必修第二册)(已下线)模块四 专题5 暑期结束综合检测5(能力卷)河南省许昌高级中学2023-2024学年高一下学期4月月考数学试题