????:1???????:600?????

2??????

3?????

4????????

5??????????

?1????????24???????? (???? ??????????)???24??,???1??????????14?????,????????????“??????”???5.66?????,??????????????50.51%?

????,??????????????????????????“?”?????

????,?????,“??”???????????,??????????6500??????

??,??15????3898???“??”??,?????????36??????????????????,?????????15??????????????,???2????????447?????,???;??????????????,????20??????24???,????????50%?

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