问题描述:
如图,已知AD//BC,AE平分∠DAB,EB平分∠ABC,E点在CD上.求证:AB=AD+BC
http://hiphotos.baidu.com/laputa30/pic/item/11ef0801d758f0cd267fb587.jpg
http://hiphotos.baidu.com/laputa30/pic/item/11ef0801d758f0cd267fb587.jpg
问题解答:
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