如图,已知四边形ABCD中,AB=CD,EFGH分别是BD,AC,AD,BC的中点,求证四边形EHFG是菱形
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![如图,已知四边形ABCD中,AB=CD,EFGH分别是BD,AC,AD,BC的中点,求证四边形EHFG是菱形](/uploads/image/z/5084242-34-2.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%B7%B2%E7%9F%A5%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2CAB%3DCD%2CEFGH%E5%88%86%E5%88%AB%E6%98%AFBD%2CAC%2CAD%2CBC%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E6%B1%82%E8%AF%81%E5%9B%9B%E8%BE%B9%E5%BD%A2EHFG%E6%98%AF%E8%8F%B1%E5%BD%A2)
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