Isebtaren i sɛan azday ɣer « Tugna:Conic sections with plane.svg »
Isebtar i yellan ddaw-a sɛan aseɣwen ɣer Tugna:Conic sections with plane.svg:
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Isebtar i yellan ddaw-a sɛan aseɣwen ɣer Tugna:Conic sections with plane.svg:
Affichage de 1 élément.