名校
1 . 如图,正方形
中,
为
的中点,若
,则
的值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdd9f345915ae742ed3dcd3f9678264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a751c93c21512948a7414b6efafbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1113ccae1ec1a3fb67a02c34c6ba1937.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/10/db5069d1-701f-4281-a570-80e06bd98a11.png?resizew=130)
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2017-10-13更新
|
841次组卷
|
5卷引用:江苏省常州北郊华罗庚江阴高中三校2018届高三联考数学(文)试题
名校
解题方法
2 . 已知等边三角形
的边长为2.
,点
、
分别为线段
、
上的动点,则
取值的集合为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b661c79b7b866204fd4084c37bdd4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b678561686dfa39bec4e0068742e2a7.png)
您最近一年使用:0次
3 . 已知数列
中,
,点列
在
内部,且
与
的面积比为
,若对
都存在数列
满足
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6136317c8df5fc1cf4afbf4ff8274d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a2c31317098e295af73389899b66c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f29ce901cddf517a843118f9e71472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe103f073845122c66f22dcb14b711f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d4281e25475e2737cd1f3480bc163f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
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4 . 已知点P为平行四边形ABCD所在平面上一点,且满足
,
,则λμ=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace8319f9d512c6101b2ca1639420682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2786e21e33cb072621c916d7079d0f74.png)
您最近一年使用:0次
2020-08-09更新
|
137次组卷
|
4卷引用:江苏省泰州市2019届高三下学期第一次模拟数学试题
江苏省泰州市2019届高三下学期第一次模拟数学试题【市级联考】江苏省泰州市2019届高三上学期期末考试数学试题(已下线)专题06 平面向量的应用-《巅峰冲刺2020年高考之二轮专项提升》(江苏)(已下线)考点15 平面向量的线性运算-2021年高考数学三年真题与两年模拟考点分类解读(新高考地区专用)
5 . 在△ABC中, ∠ABC=120°,BA=2,BC=3,D,E是线段AC的三等分点,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1cf047d01a1a252106ff8d0535415a5.png)
您最近一年使用:0次
6 . 扇形
中,弦
为劣弧
上的动点,
与
交于点
,则
的最小值是_____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571f8dfb1eb003438f27bab2324140ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69f81a8e5731509c6f6f5b99525890e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6967ebd791092c62b4ef97924d91883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6337390a597688ce91e635b43889fed.png)
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解题方法
7 . 在
中,若
,
,
,
,则
的面积为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7366dece62e5d429c30331ad31aaedbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0977b2e60de726d780b9aaa53c54b0cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2017-05-27更新
|
541次组卷
|
3卷引用:江苏省徐州市2017届高三信息卷数学(理)试题
8 . 如图,在等腰直角三角形
中,
,点
,
分别是
,
的中点,点
是
(包括边界)内任一点.则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ad3a578f403b9e6b97fa2dc955fc11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ab088f743f38685658be5bee01742a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/2d503e9f-4c15-4a6d-a24b-64244ccaf2ce.png?resizew=176)
您最近一年使用:0次
9 . 如图,在四边形ABCD中,
=5,BD=4,O为BD的中点,且
=
,则
=__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe10cd4f9ee205017195dadfd15f9f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864bc25cd8428dc1824dd4129632fe6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ede448bc4584c3436aff5aa48a887a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962ff54dd7001e9837b082126c5045b6.png)
![](https://img.xkw.com/dksih/QBM/2017/10/10/1792483540860928/1793781818736640/STEM/62a99d65a74a4360b24891731c7148ab.png?resizew=147)
您最近一年使用:0次
10 . 在
中,
,
,
.若
,
(
),且
,则实数
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306675115da6dc073b46ac5c03c95732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535b26625378bb65a373d6fe9d16f67b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d125051e1acffc7ba99bfa6120478ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b8e5990ef4ef314941a3154457a9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26157800469000581aebfd953269d0fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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