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  • Daniel Whittaker

    July 12, 2019 at 9:05 pm

    Fun, you showed 3 different ways of seeing the problem.  My first one was different than all of them.  I saw it as a nxn square on the right Plus a 1xn on the left and a 1x(n-1) on the bottom.  So: n^2+n+n-1

    This was fun!

    • This reply was modified 3 years, 3 months ago by  Kyle Pearce.