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????,????,????;?????????????????

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