1 . 对于数列
,若存在正整数
,对于任意正整数
都有
成立,则称数列
是以
为周期的周期数列.设
,对任意正整数n都有
若数列
是以5为周期的周期数列,则
的值可以是_________ .(只要求填写满足条件的一个m值即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e55241a2e145d54849129b8ffd20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2b94cbf8f1acc77ed2618d9ba5756a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e55241a2e145d54849129b8ffd20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57bf94164c6a4430150fc0144d15a31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579c216fb015776ed6c4b3e258a1f4aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039271f3111b0e21bc1282fcc22cf016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 关于任意平面向量可实施以下6种变换,包括2种
变换和4种
变换
模变为原来的
倍,同时逆时针旋转
;
模变为原来的
倍,同时顺时针旋转
;
模变为原来的
倍,同时逆时针旋转
;
:模变为原来的
倍,同时顺时针旋转
;
模变为原来的
倍,同时逆时针旋转
;
模变为原来的
倍,同时顺时针旋转![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4c5016bd1fc6582078299b9cf8b392.png)
记集合
,若每次从集合
中随机抽取一种变换,每次抽取彼此相互独立,经过
次抽取,依次将第
次抽取的变换记为
,即可得到一个
维有序变换序列,记为
,则以下判断中正确的序号是__________ .
①单位向量
经过奇数次
变换后所得向量与向量
同向的概率为
;
②单位向量
经过偶数次
变换后所得向量与向量
同向的概率为
;
③若单位向量
经过
变换后得到向量
,则
中有且只有2个
变换;
④单位向量
经过
变换后得到向量
的概率为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc13a607ac0c7f76d252d7cb1bb040fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595044a7750ab4f84519041979c3d780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabf0b3987b45fc69f88f474e1190619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff7caec4fdd8fb54a3ffbff9692414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c35f6481d876bc632b8e05c6d87b6214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff7caec4fdd8fb54a3ffbff9692414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b342300de8aeeefd2d5ee25f395df8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a14b56f7f7bb23cd4bf9041e440a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/979301d0cd793fb5282c76d6e0e2e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4c5016bd1fc6582078299b9cf8b392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea59db613a395984867113370a045436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4c5016bd1fc6582078299b9cf8b392.png)
记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ef6e24288a68823a7d3143eb547a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da49c5d7719cf1a92e825f425867ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d0009ab474b946a2abb29803250a1e.png)
①单位向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deab0dd26dbb0badb5f6006722f8514a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc13a607ac0c7f76d252d7cb1bb040fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233e17f629c5cb175e4ec1fadc872f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
②单位向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deab0dd26dbb0badb5f6006722f8514a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595044a7750ab4f84519041979c3d780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468322cef1887fec96c304371e580bc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
③若单位向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deab0dd26dbb0badb5f6006722f8514a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cb1319a55351f60be7045aa860eb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ff72b110ee53982970799db042867c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cb1319a55351f60be7045aa860eb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc13a607ac0c7f76d252d7cb1bb040fd.png)
④单位向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deab0dd26dbb0badb5f6006722f8514a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cb1319a55351f60be7045aa860eb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ff72b110ee53982970799db042867c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bdb68ec34b2c959767c2ae8cdab03c2.png)
您最近一年使用:0次
2021-06-04更新
|
672次组卷
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5卷引用:北京市2021届高三高考模拟数学试题
北京市2021届高三高考模拟数学试题(已下线)课时27 平面向量的分解定理及应用-2022年高考数学一轮复习小题多维练(上海专用)(已下线)专题09 平面几何与向量-备战2022年高考数学(文)母题题源解密(全国乙卷)(已下线)第11讲 平面向量-3北京市第二中学2022届高三上学期期中考试数学试题
3 . 已知
,若关于
的方程
恰有三个不同的解,则满足上述条件的
的值可以为_____________ .(写出一个即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d063529271d7c206a7a1e5c1d0ee12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b028fadf04ca478c5bc16de707c3d6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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4 . 在函数
图象与x轴的所有交点中,点
离原点最近,则
可以等于__________ (写出一个值即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914a63629f7b28196c7f7ca8a4bb89a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fbce6c2ce9bcf00a007422ecf348e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
您最近一年使用:0次
2022-11-11更新
|
1492次组卷
|
5卷引用:浙江省温州市普通高中2023届高三上学期11月第一次适应性考试数学试题
浙江省温州市普通高中2023届高三上学期11月第一次适应性考试数学试题内蒙古赤峰实验中学、桥北四中2022-2023学年高三下学期大联考数学试题(理科)(已下线)数学(乙卷理科)河北省邯郸市魏县2022-2023学年高一上学期期末考试数学试题(已下线)专题04 分类讨论型【练】【通用版】
名校
5 . 已知函数
,当______ 时(从①②③④中选出一个作为条件),函数有______ .(从⑤⑥⑦⑧中选出相应的作为结论,只填出一组 即可)
①
②
③
,
④
,
或
⑤4个极小值点⑥1个极小值点⑦6个零点⑧4个零点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28661fc41284c86b684687cca83dc3b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5bcfb3bafe8373dd907e0e55d08f8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec87fbbb58af2ede93066718daedbff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa1a50afa595bc31a1dbca3ee5fc9dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5957910662949c4f1073155e90852bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
您最近一年使用:0次
2020-03-20更新
|
827次组卷
|
3卷引用:2020届东北三省三校哈尔滨师大附中、东北师大附中、辽宁省实验中学高三第一次联合模拟考试理科数学试题
2020届东北三省三校哈尔滨师大附中、东北师大附中、辽宁省实验中学高三第一次联合模拟考试理科数学试题(已下线)冲刺卷01-决战2020年高考数学冲刺卷(山东专版)河北省衡水中学2019-2020学年高三下学期期中数学(理)试题
6 . 如图在四棱柱中,侧面
为正方形,侧面
为菱形,
,
、
分别为棱
及
的中点,在侧面
内(包括边界)找到一个点
,使三棱锥
与三棱锥
的体积相等,则点P可以是
的大小为
,当
取最大值时,线段
长度的取值范围是
您最近一年使用:0次
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解题方法
7 . 已知矩形
,其中
,
,点D沿着对角线
进行翻折,形成三棱锥
,如图所示,则下列说法正确的是__________ (填写序号即可).
①点D在翻折过程中存在
的情况;
②三棱锥
可以四个面都是直角三角形;
③点D在翻折过程中,三棱锥
的表面积不变;
④点D在翻折过程中,三棱锥
的外接球的体积不变.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c586b72a984e1fd9082b9f02ef7f3e91.png)
①点D在翻折过程中存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9aabd9a42a97a1108149fafca8a919.png)
②三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c586b72a984e1fd9082b9f02ef7f3e91.png)
③点D在翻折过程中,三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c586b72a984e1fd9082b9f02ef7f3e91.png)
④点D在翻折过程中,三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c586b72a984e1fd9082b9f02ef7f3e91.png)
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2024-06-10更新
|
462次组卷
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2卷引用:黑龙江省2024届高三信息押题卷(四)数学试卷
名校
8 . 数列
满足
,
,实数
为常数,①数列
有可能为常数列;②
时,数列
为等差数列;③若
,则
;④
时,数列
递减;则以上判断正确的有______ (填写序号即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fedcf01e8f41a2610d182c32538a3ada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e25fd655fccad3f351a4a59a4ac7b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69fa853794ba03bf379140ecccf59c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
2020-05-25更新
|
486次组卷
|
3卷引用:2020届湖北省荆州市沙市中学高三下学期5月第三次模拟数学(理)试题
解题方法
9 . 已知函数
的定义域为
,且
,
,请写出满足条件的一个![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
__________ (答案不唯一),![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e23be533429387772591dc5124455e8.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a3d9dcf0c2222714c1c6637c51f156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e23be533429387772591dc5124455e8.png)
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10 . 已知
中,角
、
、
所对的边分别是
、
、
且
,
,有以下四个命题:
①
的面积的最大值为40;
②满足条件的
不可能是直角三角形;
③当
时,
的周长为15;
④当
时,若
为
的内心,则
的面积为
.
其中正确命题有__________ (填写出所有正确命题的番号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df6bb52902ef2cb7ba7ef1a681cdb1a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
②满足条件的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b9446d7b31f0d6e044cf99deeb20aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b9446d7b31f0d6e044cf99deeb20aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
其中正确命题有
您最近一年使用:0次
2018-03-29更新
|
1328次组卷
|
4卷引用:四川省德阳市2018届高三二诊考试理科数学试题