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Cho parabol
Cho parabol pictures 5
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Cho parabol
cho parabol yu003dax2+bx+c
cho parabol py
cho parabol y 2u003d2x
cho parabol (p) yu003d2x 2
cho parabol y
cho parabol y 2 4x
cho parabol yu003dx^2
cho parabol
cho parabol yu003dax^2+bx+c
