ÌâÄ¿ÄÚÈÝ
ijµ¥Î»Óû´ÓÄÚ²¿ÕÐƸ¹ÜÀíÈËÔ±Ò»Ãû£¬¶Ô¼×¡¢ÒÒ¡¢±ûÈýÃûºîÑ¡È˽øÐбÊÊÔºÍÃæÊÔÁ½Ïî²âÊÔ£¬ÈýÈ˵IJâÊԳɼ¨ÈçϱíËùʾ£º
¸ù¾Ý¼ÓóÌÐò×éÖ¯200ÃûÖ°¹¤¶ÔÈýÈ˽øÐÐͶƱÍƼöµÄ·½Ê½½øÐÐÃñÖ÷ÆÀÒ飬ÈýÈ˵ÃƱÂÊ£¨ÉèÓÐÆúȨƱ£¬Ã¿Î»Ö°¹¤Ö»ÍƼö1ÈË£©ÈçͼËùʾ£¬Ã¿µÃһƱ¼ÇΪ1·Ö¡£
£¨1£©ÇëËã³öÃñÖ÷ÆÀÒéµÄµÃ·Ö£»
£¨2£©Èô¸ù¾ÝÈýÈ˵ÄÈýÏîƽ¾ù³É¼¨È·¶¨Â¼ÓÃÈËÑ¡£¬ÄÇô˽«±»Â¼Óã¨Æ½¾ù³É¼¨¾«È·µ½0£®01£©£»
£¨3£©¸ù¾Ýʵ¼ÊÐèÒªµ¥Î»½«±ÊÊÔ¡¢ÃæÊÔ¡¢ÃñÖ÷ÆÀÒéÈýÏî²âÊԵ÷ְ´4£º3£º3µÄ±ÈÀýÈ·¶¨¸öÈ˳ɼ¨£¬Ë½«±»Â¼ÓÃ?
£¨1£©ÇëËã³öÃñÖ÷ÆÀÒéµÄµÃ·Ö£»
£¨2£©Èô¸ù¾ÝÈýÈ˵ÄÈýÏîƽ¾ù³É¼¨È·¶¨Â¼ÓÃÈËÑ¡£¬ÄÇô˽«±»Â¼Óã¨Æ½¾ù³É¼¨¾«È·µ½0£®01£©£»
£¨3£©¸ù¾Ýʵ¼ÊÐèÒªµ¥Î»½«±ÊÊÔ¡¢ÃæÊÔ¡¢ÃñÖ÷ÆÀÒéÈýÏî²âÊԵ÷ְ´4£º3£º3µÄ±ÈÀýÈ·¶¨¸öÈ˳ɼ¨£¬Ë½«±»Â¼ÓÃ?
½â£º£¨1£©¼×50·Ö£¬ ÒÒ80·Ö £¬±û70·Ö
£¨2£©=72.67
=76.67
=76
¼ÓÃÒÒ
£¨3£©=72.9
=77
77.4
¼Óñû¡£
£¨2£©=72.67
=76.67
=76
¼ÓÃÒÒ
£¨3£©=72.9
=77
77.4
¼Óñû¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ijµ¥Î»Óû´ÓÄÚ²¿ÕÐƸ¹ÜÀíÈËÔ±Ò»Ãû£¬¶Ô¼×¡¢ÒÒ¡¢±ûÈýÃûºòÑ¡È˽øÐÐÁ˱ÊÊÔºÍÃæÊÔÁ½Ïî²âÊÔ£¬ÈýÈ˵IJâÊԳɼ¨ÈçϱíËùʾ£º
¸ù¾Ý¼ÓóÌÐò£¬×éÖ¯200ÃûÖ°¹¤¶ÔÈýÈËÀûÓÃͶƱÍƼöµÄ·½Ê½½øÐÐÃñÖ÷ÆÀÒ飬ÈýÈ˵ÃƱÂÊ£¨Ã»ÓÐÆúȨƱ£¬Ã¿Î»Ö°¹¤Ö»ÄÜÍƼö1ÈË£©ÈçͼËùʾ£¬Ã¿µÃһƱ¼Ç×÷1·Ö£®
£¨1£©ÇëËã³öÈýÈ˵ÄÃñÖ÷ÆÀÒéµÃ·Ö£»
£¨2£©Èç¹û¸ù¾ÝÈýÏî²âÊÔµÄƽ¾ù³É¼¨È·¶¨Â¼ÓÃÈËÑ¡£¬ÄÇô˽«±»Â¼Ó㻣¨¾«È·µ½0.01£©
£¨3£©¸ù¾Ýʵ¼ÊÐèÒª£¬µ¥Î»½«±ÊÊÔ¡¢ÃæÊÔ¡¢ÃñÖ÷ÆÀÒéÈýÏî²âÊԵ÷ְ´4£º3£º3µÄ±ÈÀýÈ·¶¨¸öÈ˳ɼ¨£¬ÄÇô˽«±»Â¼Óã¿
²âÊÔÏîÄ¿ | ²âÊԳɼ¨/·Ö | ||
¼× | ÒÒ | ±û | |
±ÊÊÔ | 75 | 80 | 90 |
ÃæÊÔ | 93 | 70 | 68 |
£¨1£©ÇëËã³öÈýÈ˵ÄÃñÖ÷ÆÀÒéµÃ·Ö£»
£¨2£©Èç¹û¸ù¾ÝÈýÏî²âÊÔµÄƽ¾ù³É¼¨È·¶¨Â¼ÓÃÈËÑ¡£¬ÄÇô˽«±»Â¼Ó㻣¨¾«È·µ½0.01£©
£¨3£©¸ù¾Ýʵ¼ÊÐèÒª£¬µ¥Î»½«±ÊÊÔ¡¢ÃæÊÔ¡¢ÃñÖ÷ÆÀÒéÈýÏî²âÊԵ÷ְ´4£º3£º3µÄ±ÈÀýÈ·¶¨¸öÈ˳ɼ¨£¬ÄÇô˽«±»Â¼Óã¿