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#1
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ᡵÑÇ»ÃСͺ Kumon
ᡵÑÇ»ÃСͺµÒÁ¡ÓÅѧ¢Í§ a
$ab + 2ac + 3b^2 + 6bc - 5a - 13b + 4c - 10$ |
#2
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$\begin{eqnarray}
&&ab+2ac+3b^2+6bc-5a-13b+4c-10\\ &=&(ab+2ac-5a)+(3b^2+6bc-15b)+(2b+4c-10)\\ &=&(a+3b+2)(b-2c-5)\\ \end{eqnarray}$
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¤¹ä·ÂÃèÇÁã¨ÍÂèÒãªéÀÒÉÒÇÔºÑµÔ ½Ö¡¾ÔÁ¾ìÊÑÅѡɳìÊÑ¡¹Ô´ ªÕÇÔµ(¤¹µÍºáÅФ¹¶ÒÁ)¨Ð§èÒ¢Öé¹àÂÍÐ (¨ÃÔ§æ¹Ð) Stay Hungry. Stay Foolish. |
#3
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¢ÍẺᡵÒÁ¡ÓÅѧ¢Í§ b ´éǤÃѺ
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ËÑÇ¢éÍ | ¼ÙéµÑé§ËÑÇ¢éÍ | Ëéͧ | ¤ÓµÍº | ¢éͤÇÒÁÅèÒÊØ´ |
ᡵÑÇ»ÃСͺ Kumon 3 ¢éͤÃѺ (ãËÁè) | first | »ÑËÒ¤³ÔµÈÒʵÃì Á. µé¹ | 8 | 11 ¾ÄÉÀÒ¤Á 2007 21:30 |
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