????:1??????100????:???????

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4???????

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??????????2??????????13??? (???????? ??????????????????)?????????13???,???????????????????????????,??

?????????????,?????????????,???????????????10%????,?????2000???(??????)(???,???????????????)????1??,??????10???????;????1??,????????10????????????????????,??????????????????10??,??100???????????????????,?3??,??????1000????????????????

???,??????????,????????????????,????????????????????,??????????????;????????3????????,??50%??;??????????????,????????????

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