2 7/10 * 1 1/3 = 3 3/5
12 / 3 1/3 = 3 3/5
4 2/3 * 3/4 = 3,5 = 3 1/2
6 / 2/3 - 5 1/2 = 3 1/2
1 2/5 / 2/5 = 3 1/2
2 5/6 * 3/17 + 3 = 3 1/2
9 1/6 - 5 2/3 = 3 1/2
2 1/10 + 1 1/2 = 3 3/5
1 5/6 / 1/3 - 1 9/10 = 3 3/5
2 7/8 + 5/8 = 3 3/4
3 19/25 - (2/5)² = 3 3/5
(1/2)² + 3 1/4 = 3 1/2
5 4/15 - 1 2/3 = 13 1/6