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

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?????????????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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