1 . 已知向量
,
.若
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
____ ;若对任意
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f349fbda51d442c30ed66840afed1403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be4ce23c120c39a07fa1bba1d8ca32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e2c8d466ab8eb5ecd38060b53bbe8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb66f4db41478c23128adc14f2796556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1a48ada3e57fb3c73101720b24c644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2019-09-12更新
|
220次组卷
|
3卷引用:广西百色市百色民族高级中学2021-2022学年高一下学期素质拓展数学试题
广西百色市百色民族高级中学2021-2022学年高一下学期素质拓展数学试题浙江省金华十校2018-2019学年高二下学期期末调研考试数学试题(已下线)【新东方】【2021.4.27】【温州】【高二上】【高中数学】【00187】
名校
解题方法
2 . 已知向量
,
,
,若
与
互相垂直,则
的值是_________ ,若
与
互相平行,则
的值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19befc6c8f5306f34e86f4d5eeb5c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2805d48134a91ee0948fe3267f241f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87da856b20bab95e8e648545a52f0f41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41960bbc66bdc3b28be0138f83f9de5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e07c25df57a36d4f1b11d7d9fe16b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41960bbc66bdc3b28be0138f83f9de5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
3 . (1)已知向量
,
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da256af94a99f2862ee1663a57a92c1.png)
______ ;(2)如图,正三角形
边长为2,设
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e19b33422f47118f80d6e1668812ab1.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28280aaac77be24aa72379e49b6f01e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891c8134394ed55aec47d3c9535b105f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da256af94a99f2862ee1663a57a92c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801d64c8f17f46d156a202e992e96238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0de1c802fa33c64dd50ee777c93c28d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e19b33422f47118f80d6e1668812ab1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/c4ffbb31-a0ec-45fc-9193-d2424a885a6f.png?resizew=166)
您最近一年使用:0次
名校
4 . 在
中有如下结论:“若点
为
的重心,则
”.设
分别为内角
的对边,点
为
的重心. 若
,则内角
的大小为_________ ;当
时,
的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953bbd281e02da9e2e4a0a13843b94a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dedb5376262d69e5e3a22c9df0d8dfe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
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2021-03-29更新
|
92次组卷
|
2卷引用:福建省连城县第一中学2020-2021学年高一下学期第一次月考数学试题
5 . 过点
且斜率为1的直线
与双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
的两渐近线交于点
,且
,则直线
的方程为__________ ;如果双曲线的焦距为
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b0fc22034c9db29b23c4cf9faf5af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee497e766529f43d4508c1324e5a376f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cbb271baca5cd015f30e07d9eebfd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2017-08-24更新
|
729次组卷
|
2卷引用:浙江省源清中学2017年9月高三上学期第一次月考
6 . 如图,在矩形
中,点
、
分别在线段
、
上,且满足
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c50dbd0667eabe75eeae1306db19a41.png)
___________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbce86bc5045a6b019d915fdf282140c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be21946840a36e119518926b1fbe947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c50dbd0667eabe75eeae1306db19a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
![](https://img.xkw.com/dksih/QBM/2018/3/31/1914253348741120/1917637101322240/STEM/e5f6fc16a80245b6b70d138bd9a4c390.png?resizew=225)
您最近一年使用:0次
解题方法
7 . 已知平面向量
=(2,1),
=(-1,3),则
=_____ ,
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b91254db5ff748150f449c5cdd256c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0fe4d834e8eaca89ceaf9c64cdabd9.png)
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2011·北京朝阳·一模
解题方法
8 . 如图,在三角形
中,
,
分别为
,
的中点,
为
上的点,且
. 若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ ,实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
________ .
![](https://img.xkw.com/dksih/QBM/2011/4/7/1570111060213760/1570111065554944/STEM/8f8c22705f8d479f8738515140446ad5.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17390b20c401d1d26f9731afa676df07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c227ce5c67614cd47d8394205f45a5ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
![](https://img.xkw.com/dksih/QBM/2011/4/7/1570111060213760/1570111065554944/STEM/8f8c22705f8d479f8738515140446ad5.png?resizew=189)
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名校
9 . 向量
,
,①若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e3da6658f0630339be870036ea0b7e.png)
______ ;②若
与
的夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad6fff107d03f0e1c47ab826a182099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f97ce60b5dc8e4a9d90b948ec9771b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b0af4f33851007b2052508dd3790e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e3da6658f0630339be870036ea0b7e.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/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
2016-12-03更新
|
580次组卷
|
2卷引用:【全国百强校】浙江省杭州市学军中学2017届高三上学期第三次月考数学试题
解题方法
10 . 如图,在平行四边形
中,点
为边
的中点,
与
交于点
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b62a6a6167b2832999c152ed5b96ef.png)
_________ ;若点
是
内部(包括边界)一动点,且
,则
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4afa0b0810a4fd37b764a0795c1fe8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b62a6a6167b2832999c152ed5b96ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5dbede0ae298e66ca5af37df8754aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dfdba6447fb4a51f4c3fc232e5795d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32043a653eba02c79ae6395b3bcb34f.png)
![](https://img.xkw.com/dksih/QBM/2016/10/17/1573073082597376/1573073088741376/STEM/1f387a9941414099ba62e2a762597a78.png?resizew=302)
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