p¦³ 2 µ§¬Û²Å¸ê®Æ
³»·s¨ý¥þ¾D©è¨î 1/3¨Å·½Âà¥L¼t
©Ú¶R³»·s²£«~®£¤Þµo¨Å«~¥«³õ°²©Ê¨Ñ»Ý¥¢¿Å¡A¹A©e·|¯bªª³B³Bªø¶À°ê«C¤½¥¬¡A¨ý¥þ¦P·N¨C¤ÑÄÀ¥X1/3¡B104¤½..
°Ó©P¤û¥¤Àb¤H³ø¾É ¸ª÷¤t¡G¶Â¤ß´CÅé
°Ó·~©P¥Z¥H¡u¤û¥¤Àb¤H¡v¬°ÃD¡A³ø¾É°ê¤º¨Å«~§t¦³¸TÃÄ¡A¦ý¹A©e·|©âÅç¤K´Ú¨Å«~«o¥¼µo²{¸TÃÄ¡F«e½Ã¥Í¸pªø¸ª÷¤t..