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X 6y 2 4
X 6y 2 4 pictures 5
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X 6y 2 4
x 2 4x y 2 6y 4 0
4 3x 5y )- 2 x 6y
4 2x 5y )- 2 x 6y
x^6y^4 / xy^2
expand x 6y 4 2
x 2 4x y 2 6y u003d- 4
2x 3y 2 x 6y 4
5x 8y 2 x 6y 4
x 4 2 5xy 20y 6y 2
x 6y 2 4
