Решите срочно плиз 1-7/12 8-3/5 13 3/5-6 12-4 3/4 10 1/2-4 5-14 28 5/8+23 3/8 2 1/7+3 3/8 2 1/7 +3 3/2+4 5/21 12 7/12+3 8/9-4 3/4
5/12 7 2/5 7 3/5 7 1/4 6 2/14 52 1 23/56 5 31/42 6 2/3