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

2???????

3????51??

4???????

5???????

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

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

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

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