Вычислите: (2 11/13 - 18 11/13 : 10 1/24) : 15/62 - 2,4

(2 11/13 - 18 11/13 : 10 1/24) : 15/62 - 2,4 = 1 28511/46995 . 1) 18 11/13 : 10 1/24 = 245/13 : 241/24 = 245/13 * 24/241 = 5880/3133 = 1 2747/3133 ; 2) 2 11/13 - 1 2747/3133 = 37/13 - 5880/3133 = (37 * 241 - 5880 * 1)/3133 = (8917 - 5880)/3133 = 3037/3133 ;3) 3037/3133 : 15/62 = 3037/3133 * 62/15 = 188294/46995 = 4 314/46995 ;4) 4 314/46995 - 2,4 = 188294/46995 - 24/10 = 188294/46995 - 12/5 = (188294 * 1 - 12 * 9399)/46995 = (188294 - 112788)/46995 = 75506/46995 = 1 28511/46995 .Ответ : 1 28511/46995 .