5m Zen
2x2 2xy
2x2 2xy pictures 5
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2x2 2xy
x3 y3 2x2 2xy
2y+2 x 2+2xy+3xy
2x2 2xy y2 2x 2
2x2 2xy 4y2
2x2 2xy y2 1 0
2x2 2xy 3x 3y
2x2 2xy 2y2
2x2 2xy y2
2x2 2xy
2x2 2xy y2 0
