1. 4 + 5 = ?

2. 12 + 7 = ?

3. 23 + 14 = ?

4. 35 + 10 = ?

5. 48 + 26 = ?

6. 50 + 25 = ?

7. 61 + 19 = ?

8. 73 + 27 = ?

9. 89 + 6 = ?

10. 100 + 0 = ?