平行四边形ABCD的周长是28,过A点作AE垂直于 BC,过A作AF垂直于CD,AE=4,AF=3,求CE-CF? 要求写解答过程不会的别乱回答
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![平行四边形ABCD的周长是28,过A点作AE垂直于 BC,过A作AF垂直于CD,AE=4,AF=3,求CE-CF? 要求写解答过程不会的别乱回答](/uploads/image/z/3528696-48-6.jpg?t=%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E7%9A%84%E5%91%A8%E9%95%BF%E6%98%AF28%2C%E8%BF%87A%E7%82%B9%E4%BD%9CAE%E5%9E%82%E7%9B%B4%E4%BA%8E+BC%2C%E8%BF%87A%E4%BD%9CAF%E5%9E%82%E7%9B%B4%E4%BA%8ECD%2CAE%3D4%2CAF%3D3%2C%E6%B1%82CE-CF%3F+%E8%A6%81%E6%B1%82%E5%86%99%E8%A7%A3%E7%AD%94%E8%BF%87%E7%A8%8B%E4%B8%8D%E4%BC%9A%E7%9A%84%E5%88%AB%E4%B9%B1%E5%9B%9E%E7%AD%94)
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