Iincwadi ezi-3 ezilungileyo nguSonia Fernandez-Vidal
Amatyala afana nalawo kaSonia Fernández-Vidal okanye uGuillermo Martínez alungelelanisa isayensi kunye noncwadi ngobuchule obuhamba phakathi kweendawo ezahlukileyo ngokungathi ziinqanawa zokunxibelelana ezilula. Kwimeko yemathematics yeArgentina ngokusebenzisa indawo yabo ephawulwe ngeendawo zabo zamanani. Sonia Fernández-Vidal umnikelo ...