Aabacus, inorumbidzwa sechishanu pakukura kwechigadzirwa munhoroondo yenyika yedu, haingori chishandiso chinowanzoshandiswa chesvomhu asiwo chishandiso chekudzidza, chishandiso chekudzidzisa, uye matoyi ekudzidzisa. Inogona kushandiswa mukudzidzisa kwevana maitiro kukudziridza kugona kwevana kubva pamufananidzo kufungain...
Verenga zvimwe