如图四,在△ABC中,AB=AC,∠A=36°,BD平分角ABC交AC于点D,DE平分角BDC交BC于点E,则EC/AD=

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如图四,在△ABC中,AB=AC,∠A=36°,BD平分角ABC交AC于点D,DE平分角BDC交BC于点E,则EC/AD=

如图四,在△ABC中,AB=AC,∠A=36°,BD平分角ABC交AC于点D,DE平分角BDC交BC于点E,则EC/AD=
如图四,在△ABC中,AB=AC,∠A=36°,BD平分角ABC交AC于点D,DE平分角BDC交BC于点E,则EC/AD=

如图四,在△ABC中,AB=AC,∠A=36°,BD平分角ABC交AC于点D,DE平分角BDC交BC于点E,则EC/AD=
参考:http://www.jyeoo.com/math/ques/detail/2e0c5700-0025-4397-ac5a-d2acb6c466bf