Can you?

来源: dr_yin 于 2015-10-16 13:08:15 [] [旧帖] [给我悄悄话] 阅读数 : (400 bytes)
回答: 2015 AIME Question #10 Discussion 由 dr_yin 于 2015-10-16 12:29:54

1)Give another solution?

2)Find any mistake in the 4 solutions given by AOPS http://www.artofproblemsolving.com/wiki/index.php/2015_AIME_I_Problems/Problem_10 ?

3)Explain one of the AOPS solutions in an understable form?

4)Can you find any surprise?

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