13-14高一下·广东云浮·阶段练习
名校
1 . 若两个向量
与
的夹角为
,则称向量“
”为向量的“外积”,其长度为
.若已知
,
,
,则
.
![](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/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f9924630c2d61af394ff7464e842fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c7114d6e8f67aab4569521291d506f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28280aaac77be24aa72379e49b6f01e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73ff0aae5425f4dd007350c05ba60cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b4dad03e61c9aa7d81b9c8e7d5ddab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47697f719c2d1a9507c321018992561a.png)
您最近一年使用:0次
2017-07-23更新
|
501次组卷
|
8卷引用:甘肃省白银市会宁县第一中学2019-2020学年高三上学期10月月考数学(理)试题
甘肃省白银市会宁县第一中学2019-2020学年高三上学期10月月考数学(理)试题(已下线)2013-2014学年广东省云浮市云浮中学高一5月月考文科数学试卷陕西省西安市长安区第一中学2016-2017学年高一下学期期中考试数学试题甘肃省天水市第一中学2018-2019学年高一下学期第三学段(期末)考试数学(理)试题甘肃省天水市一中2018-2019学年高一下学期期末考试数学(文)试题甘肃省天水市第一中学2018-2019学年高一下学期第二次段考数学(文)试题(2)新疆哈密市第十五中学2019-2020学年高二上学期数学期末试题宁夏石嘴山市平罗中学2021-2022学年高一下学期第一次月考数学(理)试题
2 . 对于数列
,若对任意
,都有
成立,则称数列
为“减差数列”.设
,若数列
,
,
,…,
(
,
)是“减差数列”,则实数
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aee05e401ab33cd52de96e9d7021bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe8d414a34676523f48b010746b9512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f6714682274c31a328bf796e235900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64fcc69dc28bc11b22f5c9bec9e2aa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ada2c9f82459340da96274ee60ffbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5d0a73f50b3e4583f1c1b6d6bf0d18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
解题方法
3 . “
”表示不超过实数
的最大的整数,如
,又记
,已知函数
,给出以下命题:①
的值域为
;②
在区间
上单调递减;③
的图象关于点
中心对称;④函数
为偶函数.
其中所有正确命题的序号是____________ .(将所有正确命题序号填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc51e97939a8966daa015535a801561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ccd3e1a186f5a2623f20a0fe3af64f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f2754b3b1dad0794ec35a1771e1453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ab33e7bee6752179afc504e6d64f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01c0fc881ee40b9ce4aea46fa601629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb642fa455980c8215b929439c3c38ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09a2b7c019dae83e027830b82b3ee8d.png)
其中所有正确命题的序号是
您最近一年使用:0次
4 . 将三项式
展开,当
…时,得到如下所示的展开式:
第0行 1
第1行 1 1 1
第2行 1 2 3 2 1
第3行 1 3 6 7 6 3 1
第4行 1 4 10 16 19 16 10 4 1
…
得广义杨辉三角形:
![](https://img.xkw.com/dksih/QBM/2016/9/26/1573042158125056/1573042164342784/STEM/51e5f237f47745f9a6c2b2a72206a2db.png?resizew=317)
观察多项式系数之间的关系,可以仿照杨辉三角构造如图所示的广义杨辉三角形,其构造方法:第0行为1,以下各行每个数是它头上与左右两肩上3数(不足3数的,缺少的数计为0)之和,第
行共有
个数.若在
的展开式中,
项的系数为75,则实数
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bb2642cc64be072c6236b4de9564d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4977e72494aaa1f309d610f41a5613da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05669435b651ee1410368e7955b4df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299f6f9f20da9c3ddf50629c68cbf18f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e619b2a0aa779508013780c7b2985757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9e768326de929ee17ec0f9db359136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c815c4b4ffb9fa9467e99cc7bbef9d91.png)
…
得广义杨辉三角形:
![](https://img.xkw.com/dksih/QBM/2016/9/26/1573042158125056/1573042164342784/STEM/51e5f237f47745f9a6c2b2a72206a2db.png?resizew=317)
观察多项式系数之间的关系,可以仿照杨辉三角构造如图所示的广义杨辉三角形,其构造方法:第0行为1,以下各行每个数是它头上与左右两肩上3数(不足3数的,缺少的数计为0)之和,第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394aee19f94c2b70fcce1d69b31dc7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21357a1cce933c897d957a44e22b4b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be56e9bad873ec62fa3319414edcdfd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016·上海·一模
5 .
表示一个两位数,记
,如
,则满足
的两位数共有______个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8b84a2ad95e2e4b1eec2ac1dda6629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f436c4349a81a95d7b9028a0076785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f9125ec5a81df4ff5e562cdfdc3405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2030ef3a262dff91d392fdc967c0922a.png)
您最近一年使用:0次
2016·上海·一模
6 .
表示一个三位数,记
,如
,则满足
的三位数共有______个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b9e30652c00f64aec4a4069bdd704f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8126c14acd6d9c139f2295055ef1c19a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd2097643587be379524e1fb0bf9f1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2030ef3a262dff91d392fdc967c0922a.png)
您最近一年使用:0次
2016·上海·一模
名校
7 . 已知命题:“平面内
与
是一组不平行向量,且
,则任一非零向量
,
,若点
在过点
(不与
重合)的直线
上,则
(定值),反之也成立,我们称直线
为以
与
为基底的等商线,其中定值
为直线
的等商比.”为真命题,则下列结论中成立的是______(填上所有真命题的序号).
①当
时,直线
经过线段
中点;
②当
时,直线
与
的延长线相交;
③当
时,直线
与
平行;
④
时,对应的等商比满足
;
⑤直线
与
的夹角记为
对应的等商比为
、
,则
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858bf8324a9ea8db1a257714ff8afc01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3448a1728b998469d1fcaef320d68a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f477444fe2118ac629993aefc977b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33824f42382b333e46ba3adaca699466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6478bf0e9d656855d0e986af70b90e5f.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/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e782e9c26606eae41fbb3a7da5ef0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858bf8324a9ea8db1a257714ff8afc01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3448a1728b998469d1fcaef320d68a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff497e19ef0f13a21ba3ad2359af36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152b2d15bb97a216d5c2c7d9e5d9b16a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8865aacf619a2df09c97f812321adf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7a1f82ff66599e2901e399183cf2a9.png)
⑤直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63498f42e59b555e7f48398939ebd4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac53967c81bf228fdf2be1106805945.png)
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8 . 函数
对任意
都有
,则称
为在区间
上的可控函数,区间
称为函数
的“可控”区间,写出函数
的一个“可控”区间是________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef81575c4c3c01699d9d8ccdd521926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93040b71149d0dd7f9b8247050418aaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db527571cfd256c515424c6f9d114284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db527571cfd256c515424c6f9d114284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb86bf792900922899b62858d7fab4b5.png)
您最近一年使用:0次
2016-12-04更新
|
406次组卷
|
3卷引用:2016届上海市七宝中学高三模拟理科数学试卷
9 . 已知数集
具有性质
对任意
,其中
,均有
属于
,若
,则
______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d28753936cf17b56e49af80a374891c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569675dd7b2aca2732324f4bea5c02e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471356066528a107a6777388cefb1f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94996fa8f5139ef62071f601253850fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13ee542834ccbb57fcc55b1680ca9db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c91a032c7f168124296e9fb61a73c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
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真题
10 . 在平面直角坐标系中,当
不是原点时,定义
的“伴随点”为
,当P是原点时,定义“伴随点”为它自身,现有下列命题:
①若点A的“伴随点”是点
,则点
的“伴随点”是点
.
②单元圆上的“伴随点”还在单位圆上.
③若两点关于x轴对称,则他们的“伴随点”关于y轴对称
④若三点在同一条直线上,则他们的“伴随点”一定共线.
其中的真命题是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e13bd54a79090d4f05ccf44a2a26e41.png)
①若点A的“伴随点”是点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b10100be43f77a13fa0ccd1c1d72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b10100be43f77a13fa0ccd1c1d72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
②单元圆上的“伴随点”还在单位圆上.
③若两点关于x轴对称,则他们的“伴随点”关于y轴对称
④若三点在同一条直线上,则他们的“伴随点”一定共线.
其中的真命题是 .
您最近一年使用:0次
2016-12-04更新
|
836次组卷
|
9卷引用:2016年全国普通高等学校招生统一考试文科数学(四川卷精编版)
2016年全国普通高等学校招生统一考试文科数学(四川卷精编版)(已下线)专题05 平面解析几何-五年(2016-2020)高考数学(文)真题分项(已下线)专题33 算法、复数、推理与证明-十年(2011-2020)高考真题数学分项(七)(已下线)考点42 曲线与方程-备战2022年高考数学(文)一轮复习考点帮(已下线)专题42 圆锥曲线中的对称问题-学会解题之高三数学万能解题模板【2022版】(已下线)2016年全国普通高等学校招生统一考试文科数学(四川卷参考版)(已下线)专题16 解析几何填空题(文科)-1专题25平面解析几何选择填空题(第四部分)2016-2017年河北武邑中学高二文周考12.11数学试卷