7 + 2 = 9 7 + 2 > 5 9 - 7 < 5 5 - 2 < 9
2 + 5 = 7 7 + 5 > 9 7 - 2 < 9 5 - 2 < 7
9 - 7 = 2 5 + 2 < 9 7 - 5 < 9 9 + 2 > 5
7 - 2 = 5 7 + 9 > 5 9 - 5 < 7 7 + 9 > 2
7 + 2 < 5 + 9
7 + 5 > 9 + 2
9 - 5 < 7 - 2
9 - 2 > 7 - 5
7 + 2 = 9 7 + 2 > 5 9 - 7 < 5 5 - 2 < 9
2 + 5 = 7 7 + 5 > 9 7 - 2 < 9 5 - 2 < 7
9 - 7 = 2 5 + 2 < 9 7 - 5 < 9 9 + 2 > 5
7 - 2 = 5 7 + 9 > 5 9 - 5 < 7 7 + 9 > 2
7 + 2 < 5 + 9
7 + 5 > 9 + 2
9 - 5 < 7 - 2
9 - 2 > 7 - 5
6+(-15)=6-15=-9
7,6+(-5,3)=7,6-5,3=2,3
-5/7+2/7=-3/7