1 . 如图,我国的一艘海监船在D岛海域例行维权巡航,某时刻航行至A处,此时测得其东北方向与它相距16nmile的B处有一艘外国船只,且D岛位于海监船正东
处.观测中发现,此外国船只正以每时4nmile的速度沿正南方向航行.为了将该船拦截在离D岛12nmile处,不让其进入D岛12nmile内的海域,则海监船的航向为________ ,其速度的最小值为________ .(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62bde4e7b46d11c496c9a3795c24ade3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51fd2c4780079be8c3a2b82f5554f922.png)
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2024高三·全国·专题练习
2 . (1)已知{an},{bn}都是等差数列.若a1+b10=9,a3+b8=15,则a5+b6=______ .
(2)设等差数列{an}的前n项和为Sn.若S3=9,S6=36,则a7+a8+a9=______ .
(3)已知Sn是等差数列{an}的前n项和.若a1=-100,
-
=6,则S100=______ .
(2)设等差数列{an}的前n项和为Sn.若S3=9,S6=36,则a7+a8+a9=
(3)已知Sn是等差数列{an}的前n项和.若a1=-100,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a60b42c8031db209eb0605f1efe2fbdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e3f5a061e2cf401b9368b15882abe3.png)
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名校
解题方法
3 . 解关于
的不等式
.(只需结果,不需过程)
可因式分解为_____________________ .
当_________________ 时,解集为_____________________ ;
当_________________ 时,解集为_____________________ ;
当_________________ 时,解集为_____________________ ;
当_________________ 时,解集为_____________________ ;
当_________________ 时,解集为_____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ffbac75dc3443857f7b626c6aa2c33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510ce4b3a2844e8defbeda04ebf33e42.png)
当
当
当
当
当
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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 . 判断正误(正确的填“正确”,错误的“错误”)
(1)已知等差数列的首项、公差,可求S10.( )
(2)在等差数列中涉及a1,d,n,an,Sn五个量,利用方程思想可以“知三求二” .( )
(3)在等差数列{an}中,若a1=2,a9=10,则S9=45.( )
(4)公式an=Sn-Sn-1成立的条件是n∈N*.( )
(1)已知等差数列的首项、公差,可求S10.
(2)在等差数列中涉及a1,d,n,an,Sn五个量,利用方程思想可以“知三求二” .
(3)在等差数列{an}中,若a1=2,a9=10,则S9=45.
(4)公式an=Sn-Sn-1成立的条件是n∈N*.
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2023高三上·全国·专题练习
解题方法
6 . 在
中,已知
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7112e7ccb1eb90facfa5182ea763970a.png)
____________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
____________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb6362bc99fba4bcd7331db9aee922c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b1dd07c0571772e96d318f974724810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7112e7ccb1eb90facfa5182ea763970a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
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7 . 给出下列数列:
①某国某段时间某病毒感染人数构成的数列352546,383256,419338,452987,490442, 521323,547486.
②无穷多个
构成数列
,
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
③-2的1次幂、2次幂、3次幂、4次幂
构成数列-2,4,-8,16,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
其中,递增数列是________ ,常数列是________ ,摆动数列是________ .
①某国某段时间某病毒感染人数构成的数列352546,383256,419338,452987,490442, 521323,547486.
②无穷多个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
③-2的1次幂、2次幂、3次幂、4次幂
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
其中,递增数列是
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解题方法
8 . 函数
的定义域为______________ .
函数
的值域为______________ .
若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0004ad7e30ff690a7368b5c961e5d01.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b08bdd0255af14ba06f114c6faaa31.png)
函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2baf22aebfcb41351dd7748ca4690db.png)
若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc4e3775c850f1c1804f9eb7a70153a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0004ad7e30ff690a7368b5c961e5d01.png)
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9 . 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
10 . 用“>”或“<”填空:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee47b220d4b05e6b26898b51a27c8ba.png)
______
;(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e7d0e8cdc406bef52fc14d4c74b831.png)
______
;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9877eb95abe3aff67180e31f97c1507.png)
_______
;(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee1604f55fe8cc962b3c065bf152fba.png)
_______ 1;
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df99010fa4c17169c92b63f21a69a45a.png)
________
;(6)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ce32c97888c7d7dc66ca7f4397c049.png)
______
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee47b220d4b05e6b26898b51a27c8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a881309775c3b6a9f4ed408838666342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e7d0e8cdc406bef52fc14d4c74b831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a881309775c3b6a9f4ed408838666342.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9877eb95abe3aff67180e31f97c1507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69225cfdfbc0a9a1ccfdd15c46353b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee1604f55fe8cc962b3c065bf152fba.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df99010fa4c17169c92b63f21a69a45a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9237dbe3a4f28962ef2870b4e7dab599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ce32c97888c7d7dc66ca7f4397c049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9237dbe3a4f28962ef2870b4e7dab599.png)
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2020-02-05更新
|
523次组卷
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3卷引用:人教B版(2019) 必修第一册 逆袭之路 第二章 2.2 不等式 2.2.1 不等式及其性质
人教B版(2019) 必修第一册 逆袭之路 第二章 2.2 不等式 2.2.1 不等式及其性质(已下线)第二章 等式与不等式 2.2 不等式 2.2.1 不等式及其性质人教B版(2019)必修第一册课本习题2.2.1 不等式及其性质