(-4,5) * 5 целых 1/3 + (-5,5) * 5 целых 1/3

Question

(-4,5) * 5 целых 1/3 + (-5,5) * 5 целых 1/3

Answer 1

(-4,5) * 5 целых 1/3 + (-5,5) * 5 целых 1/3 = 16/3*(-5,5-4,5) = 
16/3 * (-10) = -160/3 = -53 целых 1/3