3 + 4 < 4 + 3
7 - 2 > 2 + 1
8 + 1 = 1 + 8
9 - 4 = 5 + 3
7 + 1 < 8 - 2
10 - 3 > 10 - 5
6 + 4 < 3 + 7
8 - 4 = 9 - 3