ÎÒÓÐʱºò¸Ð¾õ×Ô¼ºÓеãµÃÒâÍüÐÎÁË£¬ÕâʱÎÒ¾ÍÏñÂäÆÇµÄ°ÜȮһÑù¼Ð×Åβ°Í£¬ÐÄÇé³Áµ½µÍ¹È¡£ÎҸоõÿÌìæÀ´Ã¦È¥£¬µ«×ÜÊÇһЩÐéÎ޵Ķ«Î÷¡£ÎÒÀÏÊDz¼ÉÕâЩÈ˲»»áÊÇÌÖÑáÎÒÁ˰ɣ¬ÓÐÈË˵²»ÒªÔÚÒâ±ðÈ˵ÄÑ۹⣬ÄǶ¼ÊÇ·¢ÏÖ×Ô¼ºÔÚÒ⣬ÏëÒªÌӱܲÅÕҵĽè¿Ú¡£ÕýÈ·µÄ·½·¨ÈÃ×Ô¼º±äÇ¿Êܵ½±ðÈ˵ÄÈϿɣ¬±ðÈËÈÏ¿ÉÎÒÁË£¬ÎÒ²ÅÄܸüºÃµÄÈÏ¿ÉÎÒ¡£Ò²²»ÅųýÎҷdz£ÈÏ¿ÉÎÒ£¬µ«Ò»Ð©È˲»ÈϿɵÄʱºò£¬ÕâЩʱºòÎÒͨ³£ÊÇ¿´²»Æð²»ÈÏ¿ÉÎÒµÄÈ˵ġ£ÒòΪËûÃǸù±¾²»Á˽⣬ËùνǧÀïÂí³£Óжø²®ÀÖ²»³£ÓС£ÎҿֻŵÄÊÇÁ˽âÎÒµÄÈË£¬ÒÔǰÈÏ¿ÉÎÒµÄÈ˺öÈ»²úÉú»³ÒÉ£¬²»Ì«ÄÍ·³£¬ÃÈÉúÌÖÑáÁË¡£ÕâÈÃÎҸоõ³¹µ×µØÈ˼äʧ¸ñÒ»°ãÒź¶¡£
ÎҸоõÎÒ»¹ÊÇÓÎÀëÔÚÍâÃæµÄºÃ¡£
è23(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ