Question

Let c who can crack dis

5 - 4 = 23
8 - 1 = 63.
6 -16 = 32
9 - 9 = 78
3 - 9 = 6
3 - 81 = ?
Genius heads try this
Explain the logic..(y)
Challenge for all masterminds!!

Answer 1

I give up its really hard