7 + 6 = - 13, 13 - 7 = - 6, 8 + 7 = - 15, 15 - 7 = - 8, 6 + 5 = - 11, 11 - 6 = - 5, 7 + 9 = - 16, 16 - 9 = - 7,

Zbrajanje i oduzimanje bojeva (8+6,14-6) - 1.raz - Bojan Iličić

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