OBSERVING THE RULE , FIND MISSING "?"
Level
pending
.
854
206
106
754
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
3^3 + 2^2 = 31; 8^3 + 7^2 = 561; 5^3 + 9^2 = 206