#1
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¨ÑµØÃÑʨӹǹ
àµÔÁàÅ¢ -12 ¶Ö§ 12 ŧ㹵ÒÃÒ§ 5 *5 ãËéà·èÒ¡Ñѹ á¹Çã´¡çä´é
·Óä´éÍÂÙèáµè Sol. à¢Õ¹Âѧ䧤ÃѺ ??
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#2
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à¹×èͧ¨Ò¡ S + S + S + S + S = -12 + (-11) + ... + 0 + 11 + 12 = 0
´Ñ§¹Ñé¹ S = 0 ¨Ò¡¹Ñ鹺͡ÇèÒãªéÇԸբͧ Siamese Method ËÃ×Í De la Loubère method ¨Ò¡Ë¹Ñ§Ê×ͧ͢«ÔÁ§ à´Í ÅÒÅÙáºÃì¤ÃѺ. |
#3
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¢Íº¤Ø³ÍÂèÒ§ÊÙ§¤ÃѺ ^^
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