1 . 用样本估计总体的数字特征
(1)平均数、中位数、众数
_______ 是一组数据的平均值;_______ 是将数据从小到大排列后“中间”的那个数据;_______ 是一组数据中出现次数最多的数据.
(2)用频率分布直方图估计平均数、中位数、众数
平均数的估计值等于频率分布直方图中每个小矩形的面积乘小矩形底边中点的_______ 之和;根据中位数的左边和右边直方图的_______ 相等(都是0.5)可以估计中位数的值;频率分布直方图中_______ 的中点(矩形底边中点的横坐标)即为众数的估计值.
(3)极差:一组数据中最大值与最小值的差.
(4)方差:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab4f3fe82a2da9fee7695cb90dc4946e.png)
_______ .
(5)标准差:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618d54510329ca4e71e0c86f20fca294.png)
_______ .
(1)平均数、中位数、众数
(2)用频率分布直方图估计平均数、中位数、众数
平均数的估计值等于频率分布直方图中每个小矩形的面积乘小矩形底边中点的
(3)极差:一组数据中最大值与最小值的差.
(4)方差:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab4f3fe82a2da9fee7695cb90dc4946e.png)
(5)标准差:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618d54510329ca4e71e0c86f20fca294.png)
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2 . 下列各个对数中,其值为负的有_________ ,其值在0和1之间的有________ ,其值大于1的有________ .
(1)
;(2)
;(3)
;(4)
;(5)
;(6)
;(7)
;(8)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e24d42f61784c642e9eb1316afdd2ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc385af4878aa961bc3ec5ee6cc223ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a3cb5454b762817ba7619e53941e42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a026f4c1fe9358ec8b56653bf22e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a355f4cf9f2a4c8133ea1b254a855f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ec2505b7de20257f902923f5e1b62e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca8e7ed713e9cf040711a9de3b5d220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a220c2a9832df05656d3673960a190e.png)
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2024高一上·全国·专题练习
3 . 用符号“
”或“
”填空:
(1)若
,则-1______ A;
(2)若
,则3______ B;
(3)若
,则8______ C,9.1______ C.
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
______
;
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
______
;
(6)2017______
.
(7)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734873a608f0c070dec80b89d179754.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650ef902d427468119ea4f00fc2717ee.png)
______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e581739cffb5676d997a58ab10d58880.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3480f7b5270400dabc9d156e900ad510.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57fc32180bd2940fcd4641c5a53034f5.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5eaaf5803018c29c4b410c133e9fdf.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffec2d9456b1326ca8696725b26b5a8e.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eff8818b16d3a4a75713eefc79de5b6.png)
(6)2017
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35065aed7886660083463b1c418dd50.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734873a608f0c070dec80b89d179754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e680c82535270feea54ec5cc81fcc99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e680c82535270feea54ec5cc81fcc99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650ef902d427468119ea4f00fc2717ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
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4 . 若
,则
的最_____ 值是_________ ,此时![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd62a09f6dca011e42d5a1298ed99bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
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5 . 用适当的符号(“
”、“
”、“⫋”、“
”“
”“
”)填空
2______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9db9373e74ecf5d63ad98afe66aa4ba.png)
______
0_______ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09396ce60d49d7131687cdca993e9cf.png)
0_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6170ed4a10e57487d525e71610dff82f.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e581739cffb5676d997a58ab10d58880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b980d8446f130dfc405c196109e73ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02aa4d15acfc6884e0c41a56450fcaf9.png)
2
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad135b14c9dcd83eab6618d7694c7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9db9373e74ecf5d63ad98afe66aa4ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09396ce60d49d7131687cdca993e9cf.png)
0
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6170ed4a10e57487d525e71610dff82f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60e6e00d78d7179f6cef907a18d13f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
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2023高一上·全国·专题练习
6 . 已知
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1353fecc9cb8b23406534eed37b4f48d.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b9237e0cb71a3b7c1ee3dd87eefcbf.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7981e3621e92f70b24ae9ef2f1bfcf.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d29c5884e25447be6c0b976a2b9cbb4.png)
__________ ,一般地,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251d4c8a06fcf86ae7444def9bbcfa84.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a891d21bb2c7a11304beaab5054074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1353fecc9cb8b23406534eed37b4f48d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b9237e0cb71a3b7c1ee3dd87eefcbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7981e3621e92f70b24ae9ef2f1bfcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d29c5884e25447be6c0b976a2b9cbb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251d4c8a06fcf86ae7444def9bbcfa84.png)
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7 . 填空
指数式 | ![]() | ![]() | ![]() | ![]() | ||
对数式 | ![]() | ![]() |
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8 . 用“>”或“<”填空:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8314e2f98928b76d7fb74b09283f3db.png)
______
; (2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8314e2f98928b76d7fb74b09283f3db.png)
______
;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad52beba3181bfc922d5c59d73a5a11a.png)
______
(
) (4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d2dc5a13b5ef6dbea1bd19c72ff1e1.png)
______ mb(
,
);
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a60e77043cfa243c212f9e340c5f46.png)
______
(
); (6)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36accab23dbd172687769aea43e5781c.png)
______
(
).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8314e2f98928b76d7fb74b09283f3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e26ea0261f2b67983b07b8d0bb8bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8314e2f98928b76d7fb74b09283f3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285edfb99de8dc7317a53655aebaa39d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad52beba3181bfc922d5c59d73a5a11a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9878a063abcb6098d10560f2bf2d4b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d2dc5a13b5ef6dbea1bd19c72ff1e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a60e77043cfa243c212f9e340c5f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6a2eba56d4f2d1670b0256b8d86b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66eba129d92ede31b728e2590c4db2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36accab23dbd172687769aea43e5781c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411a315870ed3e6d0e8ea885f1a04bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66eba129d92ede31b728e2590c4db2a1.png)
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2023-10-07更新
|
148次组卷
|
3卷引用:北师大版(2019)必修第一册课本习题第一章3.1 不等式的性质
名校
9 . 计算
①
的相反数是_____________________ ;
②
的结果是_________ ;
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77282b987bcf6c34a4d8c1df9f600080.png)
_________________ ;
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941267294134e60233309ce908e220a9.png)
_____________________ .
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30d314a642667fef559032264647366.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f914d0afeb689fad2f01f7a836bc4bf.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77282b987bcf6c34a4d8c1df9f600080.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941267294134e60233309ce908e220a9.png)
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2018高一上·全国·专题练习
10 . 如图,已知正方体ABCD-A1B1C1D1,判断下列直线的位置关系:________ ;
(2)直线A1B与直线B1C的位置关系是________ ;
(3)直线D1D与直线D1C的位置关系是________ ;
(4)直线AB与直线B1C的位置关系是________ .
(2)直线A1B与直线B1C的位置关系是
(3)直线D1D与直线D1C的位置关系是
(4)直线AB与直线B1C的位置关系是
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2024-01-29更新
|
511次组卷
|
13卷引用:2018年11月6日——《每日一题》人教 必修2-空间直线与直线之间的位置关系
(已下线)2018年11月6日——《每日一题》人教 必修2-空间直线与直线之间的位置关系(已下线)2019年11月5日《每日一题》必修2-空间直线与直线之间的位置关系(已下线)专题11 空间点、直线、平面之间的位置关系(知识精讲)-【新教材精创】2019-2020高一数学新教材知识讲学(人教A版必修第二册)-《高中新教材知识讲学》(已下线)第27讲 空间点、直线、平面之间的位置关系1(已下线)6.3.1空间图形基本位置关系的认识(课件+练习)(已下线)核心考点06空间点、直线、平面的位置关系-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)(已下线)第七章 立体几何与空间向量 第二节?空间点、直线、平面之间的位置关系(核心考点集训)(已下线)第10章+空间直线与平面(知识清单+典型例题)(已下线)8.4.2空间点、直线、平面之间的位置关系(第2课时)(已下线)第十三章 立体几何初步(知识归纳+题型突破)(1)-单元速记·巧练(苏教版2019必修第二册)(已下线)8.4.2 空间点、直线、平面之间的位置关系【第一练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)11.3.1平行直线与异面直线-同步精品课堂(人教B版2019必修第四册)(已下线)专题13.3空间两条直线的位置关系-重难点突破及混淆易错规避(苏教版2019必修第二册)