-4
Пошаговое объяснение:
2 1/3 : (5/8 - 8/3) - 2 * 1 3/7 = -4
1) 5/8 - 8/3 = 15/24 - 64/24 = - 49/24
2) 2 1/3 : (-49/24) = 7/3 * (-24/49) = -8/7
3) 2 * 1 3/7 = 20/7
4) -8/7 - 20/7 = -28/7 = -4
-4
Пошаговое объяснение:
2 1/3 : (5/8 - 8/3) - 2 * 1 3/7 = -4
1) 5/8 - 8/3 = 15/24 - 64/24 = - 49/24
2) 2 1/3 : (-49/24) = 7/3 * (-24/49) = -8/7
3) 2 * 1 3/7 = 20/7
4) -8/7 - 20/7 = -28/7 = -4