# Find the ? in this grid

Find question mark in this grid with numbers.

csv version:

9,6,7,3
2,4,7,6
4,1,5,8
3,0,3,?


Hint: You use all numbers to find ? and it is much more simple calculation than you think!

9

Explanation:

The grid represents a subtraction operation:

  9673
- 2476
4158
-----
3039

• or $2476+4158+3039 = 9673$ – Oray Nov 13 '17 at 11:02