如图,梯形ABCD中,AB平行CD,E,F分别是两腰的中点,点P是对角线AC的中点,连接PE,PF,(1)求证:E,P,F在同一条直线上(2)求证:EF=1/2(AB+CD)(3)连接梯形两腰中点的线段叫做梯形的中位线,你觉得
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![如图,梯形ABCD中,AB平行CD,E,F分别是两腰的中点,点P是对角线AC的中点,连接PE,PF,(1)求证:E,P,F在同一条直线上(2)求证:EF=1/2(AB+CD)(3)连接梯形两腰中点的线段叫做梯形的中位线,你觉得](/uploads/image/z/5281744-40-4.jpg?t=%E5%A6%82%E5%9B%BE%2C%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAB%E5%B9%B3%E8%A1%8CCD%2CE%2CF%E5%88%86%E5%88%AB%E6%98%AF%E4%B8%A4%E8%85%B0%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E7%82%B9P%E6%98%AF%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E8%BF%9E%E6%8E%A5PE%2CPF%2C%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9AE%2CP%2CF%E5%9C%A8%E5%90%8C%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E4%B8%8A%EF%BC%882%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9AEF%3D1%2F2%EF%BC%88AB%2BCD%EF%BC%89%EF%BC%883%EF%BC%89%E8%BF%9E%E6%8E%A5%E6%A2%AF%E5%BD%A2%E4%B8%A4%E8%85%B0%E4%B8%AD%E7%82%B9%E7%9A%84%E7%BA%BF%E6%AE%B5%E5%8F%AB%E5%81%9A%E6%A2%AF%E5%BD%A2%E7%9A%84%E4%B8%AD%E4%BD%8D%E7%BA%BF%2C%E4%BD%A0%E8%A7%89%E5%BE%97)
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