Mock AIME 1 2010 Problems/Problem 8
Revision as of 16:32, 11 August 2017 by Greenturtle3141 (talk | contribs) (→Previous solution only accounted for order?)
Solution
Once the pieces are placed, there will be blank spaces. So, we are simply ordering
triominoes,
dominoes,
square, and
blank spaces. That's just
, with last three digits
.