8 11/18 + (4 5/9 - 1 7/18 2.4) = 8 11/18 + (4 5/9 - 41/18 2.4) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18
= 8 11/18 + (4 5/9 - 2.1777777777777777) = 8 11/18 + (4 5/9 - 2 1/9) = 8 11/18 + 2 4/9 = 10 3/6 = 10 1/2
(6/13 : 1 5/13 + 2/3) = (6/13 : 18/13 + 2/3) = 6/13 * 13/18 + 2/3 = 6/18 + 2/3 = 1/3 + 2/3 = 3/3 = 1
3 9/14 : (1 3/7 - 5/21 0.9) - 0.76 = 3 9/14 : (1 3/7 - 5/21 0.9) - 0.76 = 3 9/14 : (1 3/7 - 5/21 9/10) - 0.76 = 3 9/14 : (10/7 - 5/21 9/10) - 0.76 = 3 9/14 : (10/7 - 1/14) - 0.76 = 3 9/14 : (20/14 - 1/14) - 0.76 = 3 9/14 : 19/14 - 0.76 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14
= 3 9/14 : ( 1 5/14 ) - 2.8 = 3 9/14 - 1 5/14 - 28/10 = 3 9/14 - 1 5/14 - 28/10 = 3 9/14 - 1 5/14 - 2.8 = 2 4/14 - 2.8 = 2/14 - 2.8 = 2/14 - 2.8 = 2/14 - 2.8 = 2/14
= 2/14 = 1/7
Итак, результат выражения равен 1/7.
8 11/18 + (4 5/9 - 1 7/18 2.4) = 8 11/18 + (4 5/9 - 41/18 2.4) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18 + (4 5/9 - 98/45) = 8 11/18
= 8 11/18 + (4 5/9 - 2.1777777777777777) = 8 11/18 + (4 5/9 - 2 1/9) = 8 11/18 + 2 4/9 = 10 3/6 = 10 1/2
(6/13 : 1 5/13 + 2/3) = (6/13 : 18/13 + 2/3) = 6/13 * 13/18 + 2/3 = 6/18 + 2/3 = 1/3 + 2/3 = 3/3 = 1
3 9/14 : (1 3/7 - 5/21 0.9) - 0.76 = 3 9/14 : (1 3/7 - 5/21 0.9) - 0.76 = 3 9/14 : (1 3/7 - 5/21 9/10) - 0.76 = 3 9/14 : (10/7 - 5/21 9/10) - 0.76 = 3 9/14 : (10/7 - 1/14) - 0.76 = 3 9/14 : (20/14 - 1/14) - 0.76 = 3 9/14 : 19/14 - 0.76 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14 : 19/14 - 28/10 = 3 9/14
= 3 9/14 : ( 1 5/14 ) - 2.8 = 3 9/14 - 1 5/14 - 28/10 = 3 9/14 - 1 5/14 - 28/10 = 3 9/14 - 1 5/14 - 2.8 = 2 4/14 - 2.8 = 2/14 - 2.8 = 2/14 - 2.8 = 2/14 - 2.8 = 2/14
= 2/14 = 1/7
Итак, результат выражения равен 1/7.