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

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