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期中数学试卷一选择题1.如图，已知直线a//b//c，直线m交直线a,b,c于点A,B,C.直线n交直线a,b,c于点D,E,F,若,则=().A.B.C.D.12.如图，∠1=∠2... 2025-02-231375919.5 KB11页249
期中检测一选择题（共12小题，每小题3分，共36分）1.如图，已知直线a//b//c，直线m交直线a,b,c于点A,B,C.直线n交直线a,b,c于点D,E,F,若,则=... 2025-02-23805806.12 KB10页18
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