¡°¿ÉÒÔÄØ¡¡Å¯£¬ÈýÄêÁË£¬ÎÒÒ»Ö±¶¼ÔÚµÈ×ÅůµÄ°®£¬¿ÉÊÇÎÒÈ´²îµã´í¹ýÁË£¬ÕâÒ»´Î²»»áÁË£¬Å¯£¬ÎÒ°®Äã¡¡¡±
ËûÏñÊÇÖÕÓÚ϶¨¾öÐĹįðÓÂÆøËƵ쬰ÑÎÒ½ô½ôµÄ±§ÔÚ»³Àï
ÎÒת¹ýÉíÈ¥£¬ºÁ²»ÓÌÔ¥µÄÎÇÁËËûµÄ´½
ËûÉíÌåÒ»½©£¬ã¶Á˼¸ÃëÖ®ºóÈÈÇéµÄ»ØÓ¦ÎÒµÄÎÇ£¬Ö»²»¹ýËûµÄÎÇÊÇÄÇôÎÂÈᣬ¾ÍÏñÕ⺣ÀËÒ»°ã
ß®Ñô¡¡°²ß®Ñô¡¡ÊØ»¤ÁËÎÒÈýÄêµÄÌìʹ¡¡
ÎÒÔÀ´ÒÔΪÎÒ¾ø¶Ô²»¿ÉÄܰ®ÉÏÄ㣬µ«ÊÇÏÖÔÚÎÒÒª°®Äã
ÎÒ»áºÜŬÁ¦ºÜŬÁ¦£¬ÎÒÏàÐÅ×ÜÓÐÒ»ÌìÎÒ»áÏñ°®ËûÒ»Ñù°®Ä㣬ÉîÉîÉîÉîµÄ°®Äã
~~~~~~~~~~~~~~~~~
Ò»»Î¶ùÒѾÔÚµºÉÏ´ôÁ˰ë¸öÔÂÁË£¬ÎÒ¼¸ºõ±»ß®ÑôÅõÉÏÁËÌì
½¥½¥Ï°¹ß(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ