若直角坐标平面内两点P,Q满足条件:①P,Q都在函数f(x)的图像上;②P,Q关于原点对称,则称点对(P,Q)是函数的一个“友好点对”(点对(P,Q)与(Q,P)看做同一个“友好点对”)已知函数f(x)=
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![若直角坐标平面内两点P,Q满足条件:①P,Q都在函数f(x)的图像上;②P,Q关于原点对称,则称点对(P,Q)是函数的一个“友好点对”(点对(P,Q)与(Q,P)看做同一个“友好点对”)已知函数f(x)=](/uploads/image/z/13673977-25-7.jpg?t=%E8%8B%A5%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E5%B9%B3%E9%9D%A2%E5%86%85%E4%B8%A4%E7%82%B9P%2CQ%E6%BB%A1%E8%B6%B3%E6%9D%A1%E4%BB%B6%EF%BC%9A%E2%91%A0P%2CQ%E9%83%BD%E5%9C%A8%E5%87%BD%E6%95%B0f%28x%EF%BC%89%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8A%EF%BC%9B%E2%91%A1P%2CQ%E5%85%B3%E4%BA%8E%E5%8E%9F%E7%82%B9%E5%AF%B9%E7%A7%B0%2C%E5%88%99%E7%A7%B0%E7%82%B9%E5%AF%B9%EF%BC%88P%2CQ%EF%BC%89%E6%98%AF%E5%87%BD%E6%95%B0%E7%9A%84%E4%B8%80%E4%B8%AA%E2%80%9C%E5%8F%8B%E5%A5%BD%E7%82%B9%E5%AF%B9%E2%80%9D%EF%BC%88%E7%82%B9%E5%AF%B9%EF%BC%88P%2CQ%EF%BC%89%E4%B8%8E%EF%BC%88Q%2CP%EF%BC%89%E7%9C%8B%E5%81%9A%E5%90%8C%E4%B8%80%E4%B8%AA%E2%80%9C%E5%8F%8B%E5%A5%BD%E7%82%B9%E5%AF%B9%E2%80%9D%29%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D)
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