1.在正方形ABCD中,O是对角线AC的中点,P是对角线AC上一动点,过点P作PE⊥PB,交直线CD于点E,如图,若点P在线段AO上(不与点A,O重合),延长BP交直线AD于点F,连接EF.写出线段AF,EF,CE之间一个的等量关系,
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![1.在正方形ABCD中,O是对角线AC的中点,P是对角线AC上一动点,过点P作PE⊥PB,交直线CD于点E,如图,若点P在线段AO上(不与点A,O重合),延长BP交直线AD于点F,连接EF.写出线段AF,EF,CE之间一个的等量关系,](/uploads/image/z/7297790-14-0.jpg?t=1.%E5%9C%A8%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E4%B8%AD%2CO%E6%98%AF%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E7%9A%84%E4%B8%AD%E7%82%B9%2CP%E6%98%AF%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E4%B8%8A%E4%B8%80%E5%8A%A8%E7%82%B9%2C%E8%BF%87%E7%82%B9P%E4%BD%9CPE%E2%8A%A5PB%2C%E4%BA%A4%E7%9B%B4%E7%BA%BFCD%E4%BA%8E%E7%82%B9E%2C%E5%A6%82%E5%9B%BE%2C%E8%8B%A5%E7%82%B9P%E5%9C%A8%E7%BA%BF%E6%AE%B5AO%E4%B8%8A%EF%BC%88%E4%B8%8D%E4%B8%8E%E7%82%B9A%2CO%E9%87%8D%E5%90%88%EF%BC%89%2C%E5%BB%B6%E9%95%BFBP%E4%BA%A4%E7%9B%B4%E7%BA%BFAD%E4%BA%8E%E7%82%B9F%2C%E8%BF%9E%E6%8E%A5EF.%E5%86%99%E5%87%BA%E7%BA%BF%E6%AE%B5AF%2CEF%2CCE%E4%B9%8B%E9%97%B4%E4%B8%80%E4%B8%AA%E7%9A%84%E7%AD%89%E9%87%8F%E5%85%B3%E7%B3%BB%2C)
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