7.1 探索直线平行的条件(3)
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资源概述与简介：
⑴平行定义；
⑵平行公理推论；
⑶同位角相等,两直线平行；
⑷内错角相等,两直线平行；
⑸同旁内角相等,两直线平行。
2.如图所示，下列推断中正确的是（ ）
A.若∠2=∠4，则AD∥BC
B.若∠BAD+∠ ADC=180°,则 AD∥BC
C.若∠1=∠3，则AD∥BC
D.若∠BAD+∠ABC= 180°,则AB∥DC...点击查看全部>>
⑵平行公理推论；
⑶同位角相等,两直线平行；
⑷内错角相等,两直线平行；
⑸同旁内角相等,两直线平行。
2.如图所示，下列推断中正确的是（ ）
A.若∠2=∠4，则AD∥BC
B.若∠BAD+∠ ADC=180°,则 AD∥BC
C.若∠1=∠3，则AD∥BC
D.若∠BAD+∠ABC= 180°,则AB∥DC...点击查看全部>>
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高三数学（文）二轮专题小测：不等式
资料ID:24162陕西省/模拟题/高考/数学
【2015天津文12】已知 则当a的值为 时， 取得最大值．...
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