1) (7 + 3) + 4 = 10 + 4 = 142) (14 - 4) - 3 = 10 - 3 = 73) (8 + 2) + 5 = 10 + 5 = 154) (15 - 5) - 2 = 10 - 2 = 85) (9 + 1) + 6 = 10 + 6 = 166) (16 - 6) - 1 = 10 - 1 = 9
1) (7 + 3) + 4 = 10 + 4 = 14
2) (14 - 4) - 3 = 10 - 3 = 7
3) (8 + 2) + 5 = 10 + 5 = 15
4) (15 - 5) - 2 = 10 - 2 = 8
5) (9 + 1) + 6 = 10 + 6 = 16
6) (16 - 6) - 1 = 10 - 1 = 9