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W.D.G

mathematics equtation from W.D.G
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W.D.G

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+ U2 Y* Y% l; m1 L& _mathematics equtation from W.D.G
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(x^2-4y^2)(12x^2-8y^2)(32x^2-y^2)y=(x^2+y^2)^6
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W.D.G

mathematics equtation from W.D.G
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(x^2+y^2)^2(x^2+y^2-1)^2=4x^2y^2

W.D.G

mathematics equtation from W.D.G

(x^2-3y^2)(2y^2-16x^2)y=(x^2+y^2)^6





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W.D.G

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A mathematics equation from W.D.G
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(((x^2-2)^2-2)^2-2)^2+(((y^2-2)^2-2)^2-2)^2 =4

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W.D.G

A mathematics equation from W.D.G
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((((x^2-2)^2-2)^2-2)^2-2)^2 =2^2-（x^2+y^2）

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W.D.G

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6 P" E! x- X7 n8 ^: m+ f5 @( Z9 La mathematics equation from W.D.G

1 n$ m; V' ^4 A  P! q2 e1-(x^4+y^4-2x^2-2y^2)^2 = 22x^4y^2+22x^2y^4
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W.D.G

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A mathematics equation from W.D.G
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(4y^2-2x^2-1)(4x^2-2y^2-1)=(x^2+y^2-1)^3
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W.D.G

a mathematics equation from W.D.G
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(x^2+2y^2+2xy-12)(x^2+2y^2-2xy-12)(6x^2+y^2-22)=0
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