初三二次根式与一元二次方程问题如图,将边长为3+√3的等边△ABC折叠,折痕为DE,点B与点F重合,EF和DF分别交AC于点M、N,DF⊥AB,垂足为D,AD=1,设△DBE的面积为S,则重叠部分的面积为_____?(用含S的式子
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![初三二次根式与一元二次方程问题如图,将边长为3+√3的等边△ABC折叠,折痕为DE,点B与点F重合,EF和DF分别交AC于点M、N,DF⊥AB,垂足为D,AD=1,设△DBE的面积为S,则重叠部分的面积为_____?(用含S的式子](/uploads/image/z/3898795-67-5.jpg?t=%E5%88%9D%E4%B8%89%E4%BA%8C%E6%AC%A1%E6%A0%B9%E5%BC%8F%E4%B8%8E%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%E9%97%AE%E9%A2%98%E5%A6%82%E5%9B%BE%2C%E5%B0%86%E8%BE%B9%E9%95%BF%E4%B8%BA3%2B%E2%88%9A3%E7%9A%84%E7%AD%89%E8%BE%B9%E2%96%B3ABC%E6%8A%98%E5%8F%A0%2C%E6%8A%98%E7%97%95%E4%B8%BADE%2C%E7%82%B9B%E4%B8%8E%E7%82%B9F%E9%87%8D%E5%90%88%2CEF%E5%92%8CDF%E5%88%86%E5%88%AB%E4%BA%A4AC%E4%BA%8E%E7%82%B9M%E3%80%81N%2CDF%E2%8A%A5AB%2C%E5%9E%82%E8%B6%B3%E4%B8%BAD%2CAD%3D1%2C%E8%AE%BE%E2%96%B3DBE%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BAS%2C%E5%88%99%E9%87%8D%E5%8F%A0%E9%83%A8%E5%88%86%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA_____%3F%28%E7%94%A8%E5%90%ABS%E7%9A%84%E5%BC%8F%E5%AD%90)
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