5m Zen
2 xy ) 3 yx
2 xy ) 3 yx pictures 5
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2 xy ) 3 yx
2 xy 3 7 yx 2 yx xy
x3y xy3 2 yx )* 3 xy )/ x2 y2
xy^3y x^3/x^2+xy
2x(x-y)-3y x)^2
4x(x-y)+3y x)^2
yx 1 3 * xy 3 2
2 xy )- 3 yx
