????:1????????:????

2?????????

3????????????

4??????????

5???????????

??8??19?(?????????????????)?????????????«?»??,???????????11???26???30???????????????????????18????,??100??,??500?????,????????

???,?????30%????????????????,???500???????????????60%,??????????????????,?????

??,?60???,???????????

?:??,??????????????????????????????????????????????????????????,??????????????100????????????????????????????

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