[中學] 2011AIME
1.設x^3-2011x+m有整數根a,b,c 其中a>=b>=c 試求|a|+2|b|+|c|=?
2.設R是所有2^n除以1000的餘數所形成的集合,其中n是非負整數,S是R中所有元素的和,試求S除以1000的餘數
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03/19 21:56, , 1F
03/19 21:56, 1F
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03/19 22:02, , 2F
03/19 22:02, 2F
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03/19 22:18, , 3F
03/19 22:18, 3F
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03/19 22:56, , 4F
03/19 22:56, 4F
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03/19 23:00, , 5F
03/19 23:00, 5F
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03/19 23:00, , 6F
03/19 23:00, 6F
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03/19 23:04, , 7F
03/19 23:04, 7F
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03/19 23:10, , 8F
03/19 23:10, 8F
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03/19 23:11, , 9F
03/19 23:11, 9F
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03/19 23:12, , 10F
03/19 23:12, 10F
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03/19 23:12, , 11F
03/19 23:12, 11F
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03/19 23:13, , 12F
03/19 23:13, 12F
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03/19 23:17, , 13F
03/19 23:17, 13F
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