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Shenxisa imke weenceke
Yomjikelezo unxantathu, iingcingo sokubala ifomula
Yomjikelezo unxantathu, iingcingo sokubala ifomula ikuvumela ukuba ufumane obungama iintlobo ezahlukeneyo zoonxantathu, ezifana alinganayo, ayisoselisi, ekunene okanye unxantathu scalene, nge formula, usebenzisa ubude macala kanxantathu.