????:1????????:????QQ?

2????????

3?????600

4?????

5?????

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????????????,???????????,??????????????????????????????????7~8????????????????????????9?,??????????9????????????10~11??????,?????????????????????????7~8?????9????,????????????9?????????10~11??

??:?

??,????25??????,?????,25????27???????,????????????????,????4~6??,????4~6??????????

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