Пошаговое объяснение:
3 1/6-(z-1 5/6)=2 5/6
19/6 - z +11/6=17/6
- z = 17/6 - 11/6 - 19/6
- Z = - 13/6
z = 13/6 = 2 1/6
Пошаговое объяснение:
3 1/6-(z-1 5/6)=2 5/6
19/6 - z +11/6=17/6
- z = 17/6 - 11/6 - 19/6
- Z = - 13/6
z = 13/6 = 2 1/6