1/10
Пошаговое объяснение:
(2 3/5 - 5/8) : 19 3/4 =
1) 2 3/5 - 5/8 = 2 24/40 - 25/40 = 1 64/40 - 25/40 = 1 39/40
2) 1 39/40 : 19 3/4 = 79/40 : 79/4 = 79/40 * 4/79 = 4/40 = 1/10
1/10
Пошаговое объяснение:
(2 3/5 - 5/8) : 19 3/4 =
1) 2 3/5 - 5/8 = 2 24/40 - 25/40 = 1 64/40 - 25/40 = 1 39/40
2) 1 39/40 : 19 3/4 = 79/40 : 79/4 = 79/40 * 4/79 = 4/40 = 1/10