Замените дроби 1/2 2/3 5/6 3/4 4/9 7/9 5/18 и 7/18 дробями со знаменателем 36
1/2 = 18/36
2/3 = 24/36
5/6= 30/36
3/4= 27/36
4/9= 16/36
7/9= 28/36
5/18= 10/36
7/18= 14/36