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四川省成都市郫都区2019-2020学年高一(下)期末数学(文科)试题
四川 高一 期末 2020-09-15 27次

一、单选题添加题型下试题

1. eqId32cfd3d91b444b4b8a7c8e4384879333(   )
A.1B.eqId49b7b111d23b44a9990c2312dc3b7ed9C.eqId5f816d038c584dc7a249120298677ef3D.eqIde4d58f42bad9461b93d451da718fc6f4
5. 在△ABC中,若B、C的对边边长分别为eqIdaea992e70d4943e49e893817eb885ed7eqIdad7cefefaba947e1a168bca491c4fca1eqId65b84a4dc167434298c1ed6c5ec1ad43eqId2fefde87bffe4b47ac9dfc8051920a71eqIdf33a299ed2dc4a50b4abfd006db25053,则eqId19a4eb16029e4550a14f2afe4741a3c3等于()
A.eqId5ad58f952a4542f689f5ee8aa9946f25B.eqId1a06b2701ed24e619837f7dc479f5e9dC.eqId71dab503f7b140f0a2bdd598d1f21f8eD.eqId1a06b2701ed24e619837f7dc479f5e9deqId71dab503f7b140f0a2bdd598d1f21f8e
6. 若eqId0d26b9c20fa84c94acb1085fa42b6843,则eqIdd487949078094455a3ad18d4fd89b3ae等于()
A.eqId166e9c0281c84fb48fe48a7774b2d0beB.eqIddda48cced83d424b89b7d8f8c62b1056C.eqId600cf42bc70b413bb4551fc3cd4e7be5D.eqIdfc16d8d8e81a417bb6efc8fa1e0583db
更新:2020/09/15 |题型:单选题 |组卷:7398|引用[20]
7. eqId64b9b599fdb6481e9f8d9a94c102300b的三内角ABC的对边分别为abc,且满足eqId981b560ee6bc42bcae50c86b4ed375de,则eqId64b9b599fdb6481e9f8d9a94c102300b的形状是(   )
A.正三角形
B.等腰三角形
C.等腰直角三角形
D.等腰三角形或直角三角形
10. 定义在eqId38a1a72a865d4179b3b243977e23dce4上的运算:eqId4290706c54b6486a8acf341c244bf75e.若不等式eqId18a5bcd1233848b383bcf70794c7f710对任意实数eqIda9cd3f94eb8045438f75e9daccfa7200都成立,则(  )
A.eqIdf37fe20ec5b043d0aee406eac984d2e6B.eqIdfea828dd6733484b899be33005d41de9
C.eqIdc9c2b2ede5284c8fade61d1b5e514159D.eqIdfe73a6a2cd4c40599f12d0224824bbe8
更新:2020/09/15 |题型:单选题 |组卷:405|引用[24]

二、填空题添加题型下试题

13. 若eqIda75485e4fb5148ddab27294eeeb9fb8c,则eqId6d6e887c176a4bd5b65a4723a5693c8e的最小值是________.
15. 如图,为了测量山坡上灯塔eqId34c6b6e427744abfb88dc90b8c7c2111的高度,某人从高为eqId339022234720438684cb171ac8192d67的楼eqId99a3187c2b8f4bcc9703c74c3b72f1f3的底部A处和楼顶B处分别测得仰角为eqId5a03109cb9584c2387e5e09918697615eqIde76211dd6bab40a5aa38e3ce5fbb57e1,若山坡高为eqId63d965bbb05e4eff83b633e4a38da5a8,则灯塔高度是________.说明: figure

三、解答题添加题型下试题

17. 求下列各式的值:
(1)eqId7d84b26014b44402a352388e1f2df716
(2)若eqId3d272c6c9a1343e7b3c69332de35097c,求eqId008970c54ebe4fd0a68145b13842b413的值.
19. 已知eqIde6bc05af65834eadae84eee21da47156为锐角,eqId9c798d0f89bf4a1a8019c23489e91c9eeqId2786e000155a4fd694f5a62dcb378903.(1)求eqId1f1fbf5277ed495b8a794e2b44f535f4的值;(2)求eqId8000568487a041f1a8bd095a786b94a5的值.
更新:2020/09/16 |题型:解答题 |组卷:9709|引用[20]
20. 已知数列eqId054d5a7de5684002909fe944c86227c2的前n项和为eqIddb5481de79c946c0a760143297d5eade,点eqIda773082fa66c459e972ff35f682a1ca8均在二次函数eqId742e1803fb684135aadab4a85da9ec95的图象上.
(1)求数列eqId054d5a7de5684002909fe944c86227c2的通项公式;
(2)设eqId449c28a7556744b2b89e3205b377cde3,求数列eqId69fa66742e6b480eb0e55f574b8b7749的前n项和eqIdfad203f30ea94f1eb5776a33912758d9