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(完整word版)初一数学平行线证明题.pdf

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1、1 平行线证明题1.如图所示，已知下列条件不能判断l1 l2的是（）A 1=2 B 3=4 C 1=4 D 4+5=18054321l2l1第 1题图2.如图所示，已知DEAC 于点 E，BCAC 于点 C，FGAB 于点 G，BFG=EDC，求证：CDAB。G654321FEDCBA3.如图所示，点B 在 DC 上，BE 平分 ABD，DBE=A，则 BE 与 AC 有何种位置关系？为什么？第3题图EDCBA4.如图所示，直线AB、CD 被直线 EF 所截，1=2，CNF=BME，那么 AB CD，MPNQ，请说明理由。QPNM21F第4题图EDCBA2 5.如图所示，已知1=85o，2=8

2、5o，3=125o，求 4 与 5 的度数.6 如图所示，ABC=ACB,BD 平分 ABC，CE 平分 ACB，DBF=F，问 CE 与 DF 平行吗？请给出理由。FEDCBA7、如图，填空：（1）2=B AB_（）（2）1=A _（）（3）_ 1=D（）（4）ACDF _+F=180（）文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M

3、8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T

4、4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z

5、10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码

6、:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3

7、Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7

8、 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7

9、G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z103 A C D F B E 1 2 8、完成推理过程并填写推理理由：已知：如图 BE/CF，BE、CF分别平分 ABC 和BCD。求证：AB/CD.证明：BE、CF分别平分 ABC和BCD 1=212=21（）BE/CF（已知）1=2（）21ABC=21BCD（）即 ABC=BCD AB/CD（）9、如图，AB CD,AD BC,A=3B.求 A、B、C、D的度数.10、如图，ABDE，试问 B、E、BCE有什么关系？并证明。A D C B 文档编码:CT5H3Q4V9N

10、7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N

11、7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1

12、M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2

13、T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3

14、Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编

15、码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H

16、3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z104 11、如图，已知：ADBC，EFBC，1=2求证：3=B12、如图，直线AB、CD相交于点O，OB平分EOD，COE100，求AOD和AOC的度数13、如图，已知1=3，P=T。求证：M=R文档

17、编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5

18、H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9

19、N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1

20、N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V

21、1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM

22、2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y

23、3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z105 14 已知 B BGD，DGF F，求证：B F 180。15、如图 8，ABDE，1ACB，AC平分 BAD，(1)试说明:ADBC(2)若 B=80，求：ADE的度

24、数。16、如图，CAB100，ABF110，ACPD，BFPE，求DPE的度数文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H

25、3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N

26、7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N

27、7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1

28、M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2

29、T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3

30、Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z106 17、如图，已知 160，2120，BAC50，求 C 的度数。18、如图所示,直线

31、AB、CD、EF交于点 O,OG平分 BOF,且 CD EF,AOE=64,?求AOF、DOG 的度数.19、如图 EFAD，1=2，BAC=75 o。（1）求证：AB DG；（2）求 AGD。GOFEDCBA文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1

32、M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2

33、T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3

34、Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编

35、码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H

36、3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N

37、7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N

38、7G10V1M8 ZM2T4J8Y3Z107 20、（10 分）如图，已知直线1l2l，且3l和1l、2l分别交于A、B 两点，点P 在 AB上。（1）试找出 1、2、3 之间的关系并说出理由；(2)如果点 P在 A、B两点之间运动时，问1、2、3 之间的关系是否发生变化？(3)如果点 P 在 A、B两点外侧运动时，试探究1、2、3 之间的关系（点P 和 A、B不重合）.A P B 1l2l3l1 2 3 文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q

39、4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7

40、HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G

41、10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8

42、 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4

43、J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z1

44、0文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10文档编码:CT5H3Q4V9N7 HR1N7G10V1M8 ZM2T4J8Y3Z10

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