### Algebra

1. What value should come in place of the question mark?
=?

2. What value should come in place of the question mark?
=?

3. What value should come in place of the question mark?
1.236 × 10¹⁵ – 5.23 × 10¹⁴ =?

4. What value should come in place of the question mark?

5. What value should come in place of the question mark?
=?

6. What value should come in place of the question mark?
=?

7. What value should come in place of the question mark?
9821 – [48 + {12 × (153 + 24)}] =?

8. What value should come in place of the question mark?
=?

9. What value should come in place of the question mark?
=?

10. What value should come in place of the question mark?
=?

11. What value should come in place of the question mark?

12. What value should come in place of the question mark?

13. What value should come in place of the question mark?
= ?

14. What value should come in place of the question mark?
= ?

15. What value should come in place of the question mark?
= ?

16. What value should come in place of the question mark?

17. What value should come in place of the question mark?
= ?

18. What value should come in place of the question mark?
(17)³˙⁵ × (17)? = 17⁸

19. What value should come in place of the question mark?
=?

20. What value should come in place of the question mark?
=?