(-1 целая 2/5 +(3. 6 ))+(-2целая 5/6 +(-2/3)) найдите значения вырожения.

(-1 2/5 + (-3,6)) + (-2 5/6 + (-2/3)) = (-7/5 - 36/10) + (-17/6 - 2/3) = (-14/10 - 36/10) - (17/6 + 4/6) = - 50/10 - 21/6 = - 150/30 - 105/30 = - 255/30 = - 8,5