ПРОШУ ПОМОГИТЕ!!! 1) (-2,5+2 1/3)*(-5 1/7)+1 1/3 : (-5,6)

1) - 2,5 + 2 1/3 = - 2 5/10 + 2 1/3 = - 2 15/30 + 2 10/30 = - 5/30 = - 1/6;2) - 1/6 * (- 5 1/7) = - 1/6 * (- 36/7) = -1/1 * (- 6/7) = 6/7;3) 1 1/3 : (- 5,6) = 1 1/3 : (-5 6/10) = 4/3 : (- 56/10) = 4/3 * (-10/56) = 1/3 * (- 10/14) = -10/42 = - 5/21;4) 6/7 + (- 5/21) = 18/21 - 5/21 = 13/21.Ответ: 13/21.