???
????30????500???
?????????????????????????????????????
????????????7?????????????2????15-20???
????
?????30?????30????500????????????500????????
???????????????????????????????????????
?????????????????????????7??????????23????20-30???
???
????500????1500???
?????????????????????????
????????????????????7???????????????
????
?????100????500?????????
??????????????????????????
??????????????7????????3????10??????
??? ????25?????1000??????????????
????????????
??????????????????????3??
???
?????6?????10????500???
???????
???????????????????????7???????
???
????l????500???
??????????????????????????????20??????
????
??????500????50?????50?????50????5??
??????????????????????????????15????????1~2??????????
??????????????????????????????????
?????2?????25???
