Re: [中學] 2011AIME
個人要打給學生看的詳解,除第15題尚未能有較有效率的解法，
請大家有空幫看看是否有更簡潔的寫法，也徵求15題的解法（非硬拆代入）
藉此拋磚引玉，請大家不吝指教。
http://tinyurl.com/4hnr687
15.設 x^3 - 2011x + m = 0 有整數根a,b,c 其中a>=b>=c 試求|a|+2|b|+|c|=?
美國原題目在此
http://tinyurl.com/4l26z2n
中文題目還沒有時間key進電腦，只有相機版
p1
http://tinyurl.com/4tx2t5n
p2
http://tinyurl.com/45bq4rf
p3
http://tinyurl.com/46m3suv
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