Вычислите ((1/2+5/6-7/9):1 2/3÷15÷2,4-6 1/36+(2,75-2/3)×1,2÷(7/30+5/12):0,13):0,125

((1/2 + 5/6 - 7/9) : 1 2/3 ÷ 15 ÷ 2,4 - 6 1/36 + (2,75 - 2/3) × 1,2 ÷ (7/30 + 5/12) : 0,13) : 0,125 = 191 1213/1521.1) 1/2 + 5/6 = (1 * 3 + 5 * 1)/6 = 8/6 = 4/3 = 1 1/3 ;2) 4/3 - 7/9 = (4 * 2 - 7* 1)/9 = 1/9 ;3) 2,75 - 2/3 = 275/100 - 2/3 = 11/4 - 2/3 = (11 * 3 - 2 * 4)/12 = 25/12 = 2 1/12 ;4) 7/30 + 5/12 = (7 * 2 + 5 * 5)/60 = 39/60 = 13/20 ;5) 1/9 : 1 2/3 = 1/9 * 3/5 = 1/15 ;6) 1/15 : 15 = 1/15 * 15/1 = 1 ;7) 1 : 2,4 = 1 : 24/10 = 1 * 10/24 = 5/12 ;8) 2 1/12 * 1,2 = 25/12 * 12/10 = 5/2 ;9) 5/2 : 13/20 = 5/2 * 20/13 = 50/13 = 3 11/13 ;10) 3 11/13 : 0,13 = 50/13 * 100/13 = 5000/169 = 29 99/169 ;11) 5/12 - 6 1/36 = 5/12 - 217/36 = (5 * 3 - 217 * 1)/36 = -202/36 ;12)-202/36 + 29 99/169 = 5000/169 - 202/36 = (5000 * 36 - 202 * 169)/6084 = (180000 - 34138)/6084 = 145862/6084 = 72931/3042 ;12) 72931/3042 : 0,125 = 72931/3042 * 1000/125 = 72931/3042 * 8 = 291724/1521 = 191 1213/1521.Ответ : 191 1213/1521.