《2017-2018北京市海淀区高三数学一模理科试题及答案.pdf》由会员分享，可在线阅读，更多相关《2017-2018北京市海淀区高三数学一模理科试题及答案.pdf（14页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、1 2 文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7
2、 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4
3、V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7
4、 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4
5、V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7
6、 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4
7、V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L2文档编码:CG5E7M1Y2H7 HC3K4C8P5O6 ZT6E3K4V3L23 文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:C
8、X4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4
9、P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 H
10、G9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1
11、M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 Z
12、L10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H
13、4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1
14、文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H14 文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码
15、:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1
16、D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8
17、 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4
18、H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9
19、 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T
20、9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H15 海淀区高三年级第二学期期中练习数学(理)参考答案与评分标准一、选择题共8 小
21、题，每题5 分，共 40 分。在每题列出的四个选项中，选出符合题目要求的一项。题号12345678答案CADBADDB二、填空题共6 小题，每题5 分，共 30 分。题号91011121314答案1i522331348(3,31x注：第 12、14 题第一空均为3 分，第二空均为2 分。三、解答题共6小题，共80分。解答题应写出解答步骤。15.此题总分值13 分2()2 3 sincos2cos16666f21332 3212222 3分()3sin 2cos2f xxx2sin(2)6x因为函数sinyx的单调递增区间为2,222kkkZ，令222262kxkkZ，解得36kxkkZ，故()
22、f x的单调递增区间为,36kkkZ 13 分16.此题总分值13 分文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P
23、8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG
24、9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M
25、2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL
26、10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4
27、W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文
28、档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H16 设事件A：从上表12个月中，随机取出1个月，该月甲地空气月平均相对湿度有利于病毒繁殖和传播.用
29、iA表示事件抽取的月份为第i月，则123456789101112,AAAAAAAAAAAA共 12 个基本领件，26891011,AAAAAAA共 6个基本领件，所以，61()122P A.4分在第一季度和第二季度的6 个月中，甲、乙两地空气月平均相对湿度都有利于病毒繁殖和传播的月份只有 2 月和 6 月，故X所有可能的取值为0，1，2.242662(0)155CP XC，1124268(1)15C CP XC，22261(2)15CP XC随机变量X的分布列为X012P25815115M的最大值为58%，最小值为54%.13 分17.此题总分值14 分方法1：设AC的中点为O，连接BO，PO
30、.由题意2PAPBPC，1PO，1AOBOCO因为在PAC中，PAPC，O为AC的中点所以POAC，因为在POB中，1PO，1OB，2PB所以POOB因为ACOBO，,AC OB平面ABC所以PO平面ABC因为PO平面PAC 4分所以平面PAC平面ABCOPCAB文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1
31、文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:C
32、X4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4
33、P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 H
34、G9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1
35、M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 Z
36、L10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H
37、4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H17 方法2：设AC的中点为O，连接BO，PO.因为在PAC中，PAPC，O为AC的中点所以POAC，因为PAPBPC，POPOPO，AOBOCO所以POAPOBPOC所以90POAPOBPOC所以POOB因为ACOBO，,AC OB平面ABC所以PO平面ABC因为PO平面PAC 4分所以平面PAC平面ABC方法 3：设AC的中点为O，连接PO，因为在PAC中，PAPC，所以POAC设AB的中点Q，连接PQ，OQ及OB.因为在OAB中，OAOB，Q为AB的中点所以OQAB.因为在PAB中，PAPB，Q
38、为AB的中点所以PQAB.因为PQOQQ，,PQ OQ平面OPQ所以AB平面OPQ因为OP平面OPQOPCABOPCABQ文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9
39、ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9
40、H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H
41、1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:
42、CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D
43、4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8
44、HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H18 所以OPAB因为ABACA，,AB AC平
45、面ABC所以PO平面ABC因为PO平面PAC 4分所以平面PAC平面ABC由PO平面ABC，OBAC，如图建立空间直角坐标系，则(0,0,0)O，(1,0,0)C，(0,1,0)B，(1,0,0)A，(0,0,1)P由OB平面APC，故平面APC的法向量为(0,1,0)OB由(1,1,0)BC，(1,0,1)PC设平面PBC的法向量为(,)nx y z，则由00BCPCnn得：00 xyxz令1x，得1y，1z，即(1,1,1)n13cos,3|3 1n OBn OBnOB由二面角APCB是锐二面角，所以二面角APCB的余弦值为33 9分设BNBP，01，则(1,1,0)(1,0,1)(1,1
46、,)BMBCCMBCCP(1,1,0)(0,1,1)(1,1,)ANABBNABBP令0BMAN得(1)1(1)(1)0即1111，是关于 的单调递增函数，xOyzPCAB文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码
47、:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1
48、D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8
49、 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4
50、H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9 ZL10T9H4W10H1文档编码:CX4S1D4P8H8 HG9L4H1M2X9