在平面直角坐标系,矩形OABC中,OA=3,OC=2,E为AB中点,F在BC上,且BF=2CF(1)在x轴,y轴上是否存在点M,N,使得四边形MNFE的周长最小,若存在,求周长最小值,若不存在,请说明理由 (2)动点P在y轴上,且三角形EFP是
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![在平面直角坐标系,矩形OABC中,OA=3,OC=2,E为AB中点,F在BC上,且BF=2CF(1)在x轴,y轴上是否存在点M,N,使得四边形MNFE的周长最小,若存在,求周长最小值,若不存在,请说明理由 (2)动点P在y轴上,且三角形EFP是](/uploads/image/z/9428613-69-3.jpg?t=%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%2C%E7%9F%A9%E5%BD%A2OABC%E4%B8%AD%2COA%3D3%2COC%3D2%2CE%E4%B8%BAAB%E4%B8%AD%E7%82%B9%2CF%E5%9C%A8BC%E4%B8%8A%2C%E4%B8%94BF%3D2CF%281%29%E5%9C%A8x%E8%BD%B4%2Cy%E8%BD%B4%E4%B8%8A%E6%98%AF%E5%90%A6%E5%AD%98%E5%9C%A8%E7%82%B9M%2CN%2C%E4%BD%BF%E5%BE%97%E5%9B%9B%E8%BE%B9%E5%BD%A2MNFE%E7%9A%84%E5%91%A8%E9%95%BF%E6%9C%80%E5%B0%8F%2C%E8%8B%A5%E5%AD%98%E5%9C%A8%2C%E6%B1%82%E5%91%A8%E9%95%BF%E6%9C%80%E5%B0%8F%E5%80%BC%2C%E8%8B%A5%E4%B8%8D%E5%AD%98%E5%9C%A8%2C%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1+%282%29%E5%8A%A8%E7%82%B9P%E5%9C%A8y%E8%BD%B4%E4%B8%8A%2C%E4%B8%94%E4%B8%89%E8%A7%92%E5%BD%A2EFP%E6%98%AF)
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