[(x^2+y^2)^3-x^2y^2]*[(x^2+y^2-1)^3+27x^2y^2]*[x^2+y^2-...
(2*x^10-90*x^8*y^2+420*x^6*y^4-420*x^4*y^6+90*x^2*y^8-2...
x^2*y^2*z^2-1 c=0.78 1-(cos(0*PI/7)*x+sin(0*PI/7)*y-c) ...
y*z^5+a*y*z^3+b*x^2*y^4+c*y^3+d*x*y^2*z^3+y^4*z-y^5*z-y...
((x^2+y^2+z^2-1)^2+((z-0.6)^2+y^2-0.25)^2-0.001)*((x^2+...
c=0.35 und d=5.77 ; (3c*sqrt(d)/3+(x-y^2)^3-z)+(3c*...
([(x-1)^2+y^2-1]^2*[(x+1)^2+y^2-1]^2*[x^2+(y-sqrt(3))^2...
(y^2*(x-a)+x^2*(x+3a))*(x^2*(y-a)+y^2*(y+3a))*(y^2*(x+a...
[(x^2+y^2)^2-(16/7)^2*x^2-(16/4)^2*y^2]*[(y^2+x^2)^2-(1...
1.9*(x*y-z^3-0.42)^2+(2*x^2+0.5*y^2-0.8)^3
(x^3*4*z*z*z)x^4+y^4+z^4-a^4)x^2+y^2+z^3-z^2-(x^2+y^2-z...