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Revision history of "AoPS Wiki talk:Problem of the Day/November 5, 2011"

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  • (cur | prev) 07:44, 5 November 2011‎ Negativebplusorminus (talk | contribs)‎ . . (510 bytes) (+510)‎ . . (Created page with "We see that <math>AC=AB=FC=FD</math>, and <math>\angle ACB=\angle ABC=\angle FCD=\angle FDC=30</math>. Thus, <math>\angle BCF=60</math> and <math>\angle ACE</math> is right, whi...")
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