如图,过△ABC的顶点C做任意一条直线与边AB及中线AD分别交于点F和E.求证:AE:ED=2AF:FB红色的虚线是辅助线 求这种添辅助线的求法~ (过点A作BC的平行线,交CF延长线于G点)
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![如图,过△ABC的顶点C做任意一条直线与边AB及中线AD分别交于点F和E.求证:AE:ED=2AF:FB红色的虚线是辅助线 求这种添辅助线的求法~ (过点A作BC的平行线,交CF延长线于G点)](/uploads/image/z/3781113-33-3.jpg?t=%E5%A6%82%E5%9B%BE%2C%E8%BF%87%E2%96%B3ABC%E7%9A%84%E9%A1%B6%E7%82%B9C%E5%81%9A%E4%BB%BB%E6%84%8F%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E4%B8%8E%E8%BE%B9AB%E5%8F%8A%E4%B8%AD%E7%BA%BFAD%E5%88%86%E5%88%AB%E4%BA%A4%E4%BA%8E%E7%82%B9F%E5%92%8CE.%E6%B1%82%E8%AF%81%EF%BC%9AAE%3AED%3D2AF%3AFB%E7%BA%A2%E8%89%B2%E7%9A%84%E8%99%9A%E7%BA%BF%E6%98%AF%E8%BE%85%E5%8A%A9%E7%BA%BF++%E6%B1%82%E8%BF%99%E7%A7%8D%E6%B7%BB%E8%BE%85%E5%8A%A9%E7%BA%BF%E7%9A%84%E6%B1%82%E6%B3%95%7E+%EF%BC%88%E8%BF%87%E7%82%B9A%E4%BD%9CBC%E7%9A%84%E5%B9%B3%E8%A1%8C%E7%BA%BF%2C%E4%BA%A4CF%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%BA%8EG%E7%82%B9%EF%BC%89)
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