1. 845 + 76 = *

2. 93 + 539 = *

3. 88 – 325 = *

4. 1,047 – 793 = *

5. 9 x 12 = *

6. 7 x 8 = *

7. 34 / 5 = *

8. 77 / 9 = *

9. Find the value of the missing variable: N – 13 = 46 *

10. Find the value of the missing variable: 67 + x = 82 *