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?2?3?? ?,2????3??????,????????,????????????????????????????4~6?,????8?,??????????????????4~5?,?7~8????????????????????6~8???????9~10???

?2?3?06?????:??,2?????3???08?4???08?,???????????????????????5~6????????????????????7~8?????????????,???????????????????????????????6~8??????????????????9~10??????????????????????????7~8????????9???????,??????9???????????10?????????

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2????3??08??4??08????????,????????????????????????,??,??????????????????????????????????????????????4~6?,??,????8~9????????????????7~8????????????,????9~10??

2?4????08??5?????08????,?????????????????????????????????,?,????????????,???????(10~19????????)????????????????????????????????????????????????????????????????????4~6????????,?????,????????????8~9???????????????????????7~8?,?9~10???

2??5?08????????6?08?,??????????????????????????????????????????????????????????????????????????????????????????????4~6????????,?,???????????8~9????7~8???????????,?9~10???????????????