ответ:
1. 4/5; 1/2; 13/42
2. 11/12 и 13/16
ноз = 48
44/48 > 39/48
17/48 и 25/72
ноз = 144
51/144 > 50/144
3. 5/6 -3/4
ноз = 12
10/12-9/12 = 1/12
9/14+8/21
ноз= 42
27/42+16/42=43/42=1 1/42
7/9+5/12-3/4
ноз= 36
28/36+15/36-27/36= 16/36=8/18
4.
1- 5/12 | всего -?
2- на 1/8< |
5/12 - 1/8
ноз= 48
20/48- 6/48=14/48 во второй день
20/48+14/48=34/48=17/24 поля скосили за 2 дня
5. 3/5 и 4/5
9/15 и 12/15
10/15; 11/15
