Nka moderi yikinisho, inyubako zubatswe zaturutse mubwubatsi.Nta mategeko yihariye yuburyo bwabo bwo gukina.Umuntu wese arashobora gukina akurikije ibitekerezo n'ibitekerezo bye.Ifite kandi imiterere myinshi, harimo silinderi, cuboide, cubes, nubundi buryo bwibanze.Birumvikana, usibye t ...
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