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2y 2 6
2y 2 6 pictures 5
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2y 2 6
4y 2y 2 6
x xy 2y 2 6
x^2+2y^2 u003d 6 graph
6y 2 2y 2 6
x 2y 2 6
3x 2 2y 2 6
2y 2 6 0
2y 2 6 y
2y 2 6 ysinx
2y 2 6
