9年级数学题:已知边长为3的正方形ABCD中,点E在射线BC上,且BE=2CE,连接AE交射线DC于点F已知边长为3的正方形ABCD中,点E在射线BC上,且BE=2CE,连接AE交射线DC于点F,若△ABE沿直线AE翻折,点B落在点B1处.
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![9年级数学题:已知边长为3的正方形ABCD中,点E在射线BC上,且BE=2CE,连接AE交射线DC于点F已知边长为3的正方形ABCD中,点E在射线BC上,且BE=2CE,连接AE交射线DC于点F,若△ABE沿直线AE翻折,点B落在点B1处.](/uploads/image/z/6138755-35-5.jpg?t=9%E5%B9%B4%E7%BA%A7%E6%95%B0%E5%AD%A6%E9%A2%98%EF%BC%9A%E5%B7%B2%E7%9F%A5%E8%BE%B9%E9%95%BF%E4%B8%BA3%E7%9A%84%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E4%B8%AD%2C%E7%82%B9E%E5%9C%A8%E5%B0%84%E7%BA%BFBC%E4%B8%8A%2C%E4%B8%94BE%3D2CE%2C%E8%BF%9E%E6%8E%A5AE%E4%BA%A4%E5%B0%84%E7%BA%BFDC%E4%BA%8E%E7%82%B9F%E5%B7%B2%E7%9F%A5%E8%BE%B9%E9%95%BF%E4%B8%BA3%E7%9A%84%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E4%B8%AD%2C%E7%82%B9E%E5%9C%A8%E5%B0%84%E7%BA%BFBC%E4%B8%8A%2C%E4%B8%94BE%3D2CE%2C%E8%BF%9E%E6%8E%A5AE%E4%BA%A4%E5%B0%84%E7%BA%BFDC%E4%BA%8E%E7%82%B9F%2C%E8%8B%A5%E2%96%B3ABE%E6%B2%BF%E7%9B%B4%E7%BA%BFAE%E7%BF%BB%E6%8A%98%2C%E7%82%B9B%E8%90%BD%E5%9C%A8%E7%82%B9B1%E5%A4%84%EF%BC%8E)
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