6??????????8?? ????????9~10?

??

??2????6????? ??????????,?????????????(2?????????5??????),?????????????????????????????????????????????????????????????????????????????????????7~9?????????????,????????????10~13???????,????????????????????????????????

6?????????8?,??,??????????

????,????6~8?,?????????10??????;??4~6?,??7~8?,???10??????????????8??,???????0??????????????????,?????????8~10?,??12???????????

????,?????,????????4~6????????????7~8??????????,??,?????????????9~10????;??7~8?????9~11??6?????

6??7?????,??????????,???????????????????????,6????7?????,????,????????????????;??????????????????

?????????????????,????,?,??????????????????????????,?????????????,???????,?????,???????????????,??,?,?????????

?????????????????????????:??

?????????

?????6??????????8?? ????????9~10??????

????????