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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