Contenus
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PJ-S-028
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PJ-S-029
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PJ-S-030 Surface minimales au paraboles zéelles. -
PJ-S-031
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PJ-S-032
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PJ-S-033 \([(z-2)^2-4y^2][(z-2)^2-4x^2]-2(x^2+y^2+z^2-3)^2=0\) -
PJ-S-034 \((x^2-4)(y+z)+z(y+z)^2-z^2(x-2)=0\) -
PJ-S-035 \((x-2)(xy+yz+zx)+z(y+z)^2=0\) -
PJ-S-036 \(x^3-3xy^2+2z^2-z^3=0\) -
PJ-S-037 \(x^3-3xy^2-z(x^2+y^2)-x^2-y^2+z^2=0\) -
PJ-S-038 \(x^3-3xy^2-(z+3)(x^2+y^2)+z^3+3z^2+4\sqrt{2}=0\) -
PJ-S-039 \(x^3-3xy^2-z^3+3z^2-3x^2-3y^2=0\) -
PJ-S-040 \(x^3-3xy^2-z^3-3x^2-3y^2+4=0\) -
PJ-S-041
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PJ-S-042 \(x^3-3xy^2-z^3-3x^2-3y^2+3z^2+2=0\) -
PJ-S-043 \(x=3u+3uv^2-u^3\) \(y=3v+3u^2v-v^3\) \(z=3u^2-3v^2\) -
PJ-S-044 \(z^2(x^2+y^2+z^2)-2z(x^2-y^2)-3(x^2+y^2)-10z^2+9=0\) -
PJ-S-045
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PJ-S-046
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PJ-S-047 \(z(x^5-10x^3y^2+5xy^4)-5x^4y+10x^2y^3-y^5-(x^2+y^2+z^2-1)^2=0\) -
PJ-S-048 \(z^3-3z-x^3+3xy^2=0\) -
PJ-S-049 \(zx-y(x^2+y^2-1)=0\) -
PJ-S-050 \(x^3-3xy^2-3x^2-3y^2+z^2=0\) -
PJ-S-051 \(z=x^3-3xy^2\) -
PJ-S-052 \(x^2+y^2)(z^2+1)-2(x^2y^2+z^2)=0\) -
PJ-S-053 \(z^3+2z^2+zy^2+yx^2=0\) -
PJ-S-054 \(z(z^2+x^2+x)+y(z^2+xy+2xz)=0\) -
PJ-S-055 \(z=x^2-y^2\) \(w=z^2\) -
PJ-S-056
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PJ-S-057
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PJ-S-058 Saint Séverin. -
PJ-S-059
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PJ-S-060 Théâtre du Gymnase. -
PJ-S-061
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PJ-S-062 Surface d'Apéry. -
PJ-S-063 Fonctions sinus amplitude. -
PJ-S-064
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PJ-S-065
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PJ-S-066
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PJ-S-067 \(x^2y^2+y^2z^2+z^2x^2-2xyz=0\) -
PJ-S-068 \(x^2y^2+y^2z^2+z^2x^2+2xyz=0\) -
PJ-S-069 \((x^2+y^2(x^2+y^2+z^2)=z(x^2+y^2)\) -
PJ-S-070 \(y^9[(x^2+y^2+z^2)^2-4(x^2+z^2)]-16x^2z^2(y^2-1)=0\) -
PJ-S-071 \(x^4+y^4+z^4-2(x^2y^2+y^2z^2+z^2x^2)+4x^2y^2z^2=0\) \(x=\sin u\) \(y=\sin v\) \(z=\sin (u+v)\) -
PJ-S-072 \(\cos x+ \cos y+ \cos z+ \cos x \cos y \cos z=0\) -
PJ-S-073 \(x^4+y^4+z^4-6x^2y^2z^2-1=0\) -
PJ-S-074
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PJ-S-075 \(z=\log \cos x- \log \cos y\) -
PJ-S-076 Surface de Sievert. -
PJ-S-077 Hélicoïde de Dini. -
PJ-S-078 Pseudosphère. -
PJ-S-079 Hélocoïde de Dini.