2015 AIME Question #2

来源: dr_yin 于 2015-10-21 06:21:20 [] [旧帖] [给我悄悄话] 本文已被阅读： 次 (180 bytes)

Is there any technique that a student should know about this kind of question?

所有跟帖： 

• straight forward? may be sampling space is key and reduce the an -mondayadvisor- ♀ 给 mondayadvisor 发送悄悄话 (0 bytes) () 10/21/2015 postreply 08:58:26

• Yes. Assume the sample space is 100 -dr_yin- ♂ 给 dr_yin 发送悄悄话 (118 bytes) () 10/21/2015 postreply 10:10:18

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