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Revision history of "2018 JBMO Problems/Problem 4"

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  • (cur | prev) 18:40, 2 February 2019‎ KRIS17 (talk | contribs)‎ . . (2,122 bytes) (+2,122)‎ . . (Created page with "== Problem == Let <math>\triangle ABC</math> and <math>A'</math>,<math>B'</math>,<math>C'</math> the symmetrics of vertex over opposite sides.The intersection of the circumci...")
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