Ngokwenhloso eyinhloko yokuklama amafomula enjoloba, amafomula angahlukaniswa abe amafomula ayisisekelo, amafomula okusebenza, namafomula asebenzayo.1, Ifomula eyisisekelo Ifomula eyisisekelo, eyaziwa nangokuthi ifomula evamile, ngokuvamile yakhelwe injongo yokuhlonza irabha eluhlaza kanye nezithasiselo.Wh...
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