初二平行四边形难题,已知平行四边形中,AE平分∠BAD,交DC于E,DF⊥BC于F,交AE于G,且DF=BC求证:AB=DG+FC.
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![初二平行四边形难题,已知平行四边形中,AE平分∠BAD,交DC于E,DF⊥BC于F,交AE于G,且DF=BC求证:AB=DG+FC.](/uploads/image/z/3002255-71-5.jpg?t=%E5%88%9D%E4%BA%8C%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2%E9%9A%BE%E9%A2%98%2C%E5%B7%B2%E7%9F%A5%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2%E4%B8%AD%2CAE%E5%B9%B3%E5%88%86%E2%88%A0BAD%2C%E4%BA%A4DC%E4%BA%8EE%2CDF%E2%8A%A5BC%E4%BA%8EF%2C%E4%BA%A4AE%E4%BA%8EG%2C%E4%B8%94DF%3DBC%E6%B1%82%E8%AF%81%EF%BC%9AAB%3DDG%2BFC.)
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