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请教:已知圆的方程$(x-1)^2+(y-1)^2=1$,点$P(x,y)$在圆上运动,求$2x^2+y^2$的最值. ... xugaosong 发表于 2016-12-19 11:30
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2025-5-31 10:44 GMT+8
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