1) 5/8 + 5/6 = 15/24 + 20/24 = 35/24
2) 3 1/9 - 1/3 = 3 1/9 - 3/9 = 2 10/9 - 3/9 = 2 7/9
3) (3/10)² = 3/10 * 3/10 = 9/100
4) 7 : 35/24 = 7 * 24/35 = 24/5
5) 2 7/9 * 9/100 = 25/9 * 9/100 = 1/4
6) 24/5 + 1/4 = 96/20 + 5/20 = 101/20 = 5 1/20
ответ: 5 1/20