Fill in the blanks with >, <, or =.
1. 3 + 5 ___ 7
2. 2 + 5 ___ 10
3. 18 + 2 ___ 19
4. 11 + 4 ___ 11
5. 12 + 2 ___ 14
6. 5 + 1 ___ 10
7. 8 + 7 ___ 16
8. 10 + 10 ___ 21
9. 2 + 2 + 2 ___ 3 + 3
10. 20 + 5 ___ 10 + 10