ВЫЧИСЛИТЕ: 3,4+( -1 1/3) + ( - 2 13/18)

Question

ВЫЧИСЛИТЕ: 3,4+( -1 1/3) + ( - 2 13/18)

Comments

Ответ: -59/90

Answer 1

1) -1 1/3 - 2 13/18 = -(1 6/18 + 2 13/18) = -3 19/18 = -4 1/18

2) 3,4 + (-4 1/18) = 3 2/5 - 4 1/18 = -(4 5/90 - 3 36/90) = -3 95/90 - 3 36/90 = -59/90