3 x x x = 3
I agree that the final result is correct, but I'm not sure that "the exponent of the bottom x is identical to the entire expression". The number of x's in all valid expressions is always a multiple of three, and that's not true in the case you mention.
blackjack
<a href="http://c.casalemedia.com/c?s=51816&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=51816&u=http://perplexus.info&f=3&id=0&if=0" width="120" height="600" border="0"></a>
flooble's webmaster puzzle
re: Power Tower
