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3 4x 12 4x
3 4x 12 4x pictures 5
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3 4x 12 4x
4x 3 12x 2 4x 12 0
3 4x 5y 2 12 4x 5y
4x 2 13x 12 4x 3
4x^3-12x^2-4x+12
3 4x 2 4x 12
5 4x 12 3 4x 12
3 4x 12 4x
