如图,在平行四边形ABCD中,对角线AC,BD相交于点O,过点O作MN⊥BD,分别交AD,BC于点M,N求证:四边形BNDM是菱形
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![如图,在平行四边形ABCD中,对角线AC,BD相交于点O,过点O作MN⊥BD,分别交AD,BC于点M,N求证:四边形BNDM是菱形](/uploads/image/z/2753747-35-7.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2C%E5%AF%B9%E8%A7%92%E7%BA%BFAC%2CBD%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9O%2C%E8%BF%87%E7%82%B9O%E4%BD%9CMN%E2%8A%A5BD%2C%E5%88%86%E5%88%AB%E4%BA%A4AD%2CBC%E4%BA%8E%E7%82%B9M%2CN%E6%B1%82%E8%AF%81%EF%BC%9A%E5%9B%9B%E8%BE%B9%E5%BD%A2BNDM%E6%98%AF%E8%8F%B1%E5%BD%A2)
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