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A topic of junior high school mathematics, about (the relationship between variables)
Solution: (1) When P is on the side of AB, X.

(2) 1

(3) When P is between CE and 2,

When Y= 1/3, the third case is omitted.

(1) X=2/3 when p is on AB side.

(2) When P is near BC, X=5/3.

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