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math2000: ½ð±Ò+3, ¡ï¡ï¡ïºÜÓаïÖú, Äܸø³öÕâÖÖÎÊÌâµÄÒ»°ã½â·¨Â𣿼´ÖªµÀphi^2£¬ÔõôÇóphi¡£Ð»Ð» 2013-08-01 16:21:25
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ÉèÒ»´ÎÏ´ÅÆµÃµ½µÄÖû»Îª phi. ÄÇôphi^2 д³ÉÑ­»··Ö½âΪ
phi^2 = (A 6 4 K 10 7 Q 9 5) (2 3 8 J).
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Èç¹û phi µÄÑ­»·³¤¶ÈΪ a1, a2, ..., ak, ÆäÖÐaiΪÕýÕûÊý, ÇÒºÍΪ13. ÄÇô
phi µÄ½×Ϊ a1, a2, ..., ak µÄ×îС¹«±¶Êý.  µ«ÊÇ, phi^2 µÄ½×Õû³ý phiµÄ½×, Òò´Ë a_i ¿ÉÒÔÈ¡µÄÖµÖ»ÏÞÓÚ:
1,2,3,4,6,9,12.  ÒªÏëÆ½·½Éú³É³¤¶ÈΪ9+4µÄÑ­»·, Ö»ÓÐÒ»ÖÖ¿ÉÄÜ: phi±¾ÉíÒ²ÊÇ9+4Ñ­»·.

È»¶ø, 4 Ñ­»·µÄƽ·½ÊǶþ½×µÄ, ±ÈÈç ( A 2 3 4)^2 = (A 3)(2 4), ¾ø¶Ô²»»áµÃµ½ (2 3 8 J).

ÇëÂ¥Ö÷¿´¿´ÊÇ·ñ³­´íÌâÄ¿ÁË, »òÊÇÓÐÈ˸úÄ㿪ÁËÍæÐ¦Å¶.
We_must_know. We_will_know.
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yangrui123

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[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤´óѧ080200»úе¹¤³Ì308·Ö£¬Çóµ÷¼Á +4 ÖÕ²»ËÆ´Óǰ 2026-04-05 4/200 2026-04-06 11:46 by ¿¼ÑÐѧУÕеãÈË
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