Answer:
1). 18
Explanation:
1). The numbers above are real numbers but on a care ful look the number below it is a squrea of the number above but it's position ois swapped.
What am I saying., Let's take for example the number 4.
4² = 16 but what's written is 61
Let's take 5
5² = 25 but what's written is 52
Let's take 6
6² = 36bl but what's written is 63.
So as for 9
9²= 81 but what will be in the box = 18
2).this number two is something special