山东省青岛市2022届高三上学期11月期中教学质量检测数学试题答案

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2021.11 高三期中答案
一、选择题
题号 1 2 3 4 5 6 7 8 9 10 11 12
答案 D C A D A B C D BCD AD AC AD
二、填空题
13.
14.
15.
16.
三、
17. (本小题满分 10 分)
解:(1)由正弦定理得: ·······
·············
·······································5
2由余弦定理 得:
········································8
·······················10
18. (本小题满分 12 分)
解:(1)设
是定义在 上的奇函数,
·······································6
2
恒成立
是定义在 上的奇函数
·············································8
在 上递增
··················································10
恒成立
···············································12
19. (本小题满分 12 分)
(1)
····································4
单调增区间为 ·····························6
(2) ,
,
的图象如图
要使在 在 有两个零点
摘要:

2021.11高三期中答案一、选择题题号123456789101112答案DCADABCDBCDADACAD二、填空题13.14.15.16.,三、17.(本小题满分10分)解:(1)由正弦定理得:···························································5分(2)由余弦定理得:········································8分·······················10分18.(本小题满分12分)解:(1)设又是定义在上的奇函数,································...

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作者:envi 分类:分省 价格:3知币 属性:5 页 大小:394KB 格式:DOC 时间:2024-09-03

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