Для начала сократим дроби30/54 = 5/22/30 = 11/128/40 = 7/110/75 = 2/112/27 = 4/14/21 = 2/14/24 = 7/115/40 = 3/12/18 = 2/5/60 = 1/14/24 = 1/3/36 = 1/12
Теперь вычислим значение выражения5/9 + 11/15 = (55+113)/(95) = 56/47/10 - 2/15 = (73-22)/(103) = 19/34/9 + 2/3 = (43+29)/(93) = 14/9 = 1 5/7/12 - 3/8 = (72-33)/(122) = 11/22/3 - 1/12 = (24-11)/(34) = 7/11/6 + 1/12 = (12+11)/(62) = 3/6 = 1/2
Таким образом, значения выражений будут равны56/45, 19/30, 1 5/9, 11/24, 7/12, 1/2
Для начала сократим дроби
30/54 = 5/
22/30 = 11/1
28/40 = 7/1
10/75 = 2/1
12/27 = 4/
14/21 = 2/
14/24 = 7/1
15/40 = 3/
12/18 = 2/
5/60 = 1/1
4/24 = 1/
3/36 = 1/12
Теперь вычислим значение выражения
5/9 + 11/15 = (55+113)/(95) = 56/4
7/10 - 2/15 = (73-22)/(103) = 19/3
4/9 + 2/3 = (43+29)/(93) = 14/9 = 1 5/
7/12 - 3/8 = (72-33)/(122) = 11/2
2/3 - 1/12 = (24-11)/(34) = 7/1
1/6 + 1/12 = (12+11)/(62) = 3/6 = 1/2
Таким образом, значения выражений будут равны
56/45, 19/30, 1 5/9, 11/24, 7/12, 1/2