Difference between revisions of "Talk:2012 AMC 10A Problems/Problem 20"
Bobcroucher (talk | contribs) (Created page with "I get <math>\frac{49}{256}</math> for this problem. I used your same logic, but noted that the center square can start out white or black, giving us: <math>\frac{2\times7\times7...") |
Bobcroucher (talk | contribs) |
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| − | I get <math>\frac{49}{256}</math> for this problem. I used your same logic, but noted that the center square can start out white or black, giving us: <math>\frac{2\ | + | I get <math>\frac{49}{256}</math> for this problem. I used your same logic, but noted that the center square can start out white or black, giving us: <math>\frac{2\cdot7\cdot7}{2^9}</math>. |
Revision as of 16:18, 10 February 2012
I get 
for this problem. I used your same logic, but noted that the center square can start out white or black, giving us: 
.
