Пошаговое объяснение:
1) 4 2/3 - 3 5/6 = 4 4/6 - 3 5/6 = 3 10/6 - 3 5/6 = 5/6
2) 5/6 + 2 7/8 = 20/24 + 2 21/24 = 2 41/24 = 3 17/24
х = 3 17/24
х - 2 7/8 = 4 2/3 - 3 5/6
х - 2 7/8 = 5/6
х = 5/6 + 2 7/8
Пошаговое объяснение:
1) 4 2/3 - 3 5/6 = 4 4/6 - 3 5/6 = 3 10/6 - 3 5/6 = 5/6
2) 5/6 + 2 7/8 = 20/24 + 2 21/24 = 2 41/24 = 3 17/24
х = 3 17/24
х - 2 7/8 = 4 2/3 - 3 5/6
х - 2 7/8 = 5/6
х = 5/6 + 2 7/8
х = 3 17/24