如图,Rt△ABC内有三个内接正方形,DF=9cm,第二个正方形的变长GK=6cm,则第三个正方形的边长PQ=__?___一楼的那位很给力啊- -
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![如图,Rt△ABC内有三个内接正方形,DF=9cm,第二个正方形的变长GK=6cm,则第三个正方形的边长PQ=__?___一楼的那位很给力啊- -](/uploads/image/z/6086836-28-6.jpg?t=%E5%A6%82%E5%9B%BE%2CRt%E2%96%B3ABC%E5%86%85%E6%9C%89%E4%B8%89%E4%B8%AA%E5%86%85%E6%8E%A5%E6%AD%A3%E6%96%B9%E5%BD%A2%2CDF%3D9cm%2C%E7%AC%AC%E4%BA%8C%E4%B8%AA%E6%AD%A3%E6%96%B9%E5%BD%A2%E7%9A%84%E5%8F%98%E9%95%BFGK%3D6cm%2C%E5%88%99%E7%AC%AC%E4%B8%89%E4%B8%AA%E6%AD%A3%E6%96%B9%E5%BD%A2%E7%9A%84%E8%BE%B9%E9%95%BFPQ%3D__%3F___%E4%B8%80%E6%A5%BC%E7%9A%84%E9%82%A3%E4%BD%8D%E5%BE%88%E7%BB%99%E5%8A%9B%E5%95%8A-+-)
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