Answer:
After doing the following equation, I've come to the answer of 0.
(9-8)^7-(12-11)^10
1^7 - 1^10
= 0
0 --> ?/? (There are multiple answers to this question.)
0/1 = 0
0/2 = 0
0/3 = 0
0/4 = 0
Forgive me if the answer is incorrect. I checked the answer with a calculator and it was still 0.