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

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

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

4??????????

5???????

? (???????????????? ?)???,??????6??????????????????22?????21???,??????1000???????????????,????????44.4%,??1000???????????,??2?????????,?????3??

??,????????????,?????????1.6??????,?????????6000????,?6208????:?1000???????????,??410??????,??????????247??????????????,??50%??????????????20.3%,?????(?????)

????:???