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

2???????????

3??????400?4??

4????50?????

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

??????????1?????????????8???? (??????? ????????????)??????7?????????9?????????5??6.8????,?????,??????????????????????,???

?????????????????8??????????,?????,?????????,??????????????????????????????????????????????????????????,??????????8??,??,???????????????????????

???,???7?????????????500????????(???,??),?????????????????????,????????,?????????????????????,????????????????????????????????????????,???????????

?????????????,????????????????????????????????,??7?1000?????????????????????????8??????

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