I-abacus, ehlonishwa njengesungulwe endaweni yesihlanu ngobukhulu emlandweni wezwe lethu, ayilona nje ithuluzi lezibalo elisetshenziswa kakhulu kodwa futhi iyithuluzi lokufunda, ithuluzi lokufundisa, namathoyizi okufundisa. Ingasetshenziswa ezenzweni zokufundisa zezingane ukuhlakulela amakhono ezingane kusuka ekucabangeni kwesithombe...
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