Iyini impendulo ka-2+2?
Impendulo ka-2 kanye no-2 ingu-4. Lokhu kungashiwo nangokuthi 2 + 2 = 4. Lokhu kwenziwa ngokusebenzisa ukuhlanganisa okulula ukuze wengeze inani eliyi-2 kwelinye inani eliyi-2, okuphumela enanini eliphelele eliyi-4.