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

2??????

3???????

4???????

5?????????

7?6????????????????????3????,????????,????

?????,?6???12?????????,???????????????220??????????,?????????????????????5????,??47.64??????????????????????(????92.5%,?),???????????????????????0.10??

???,?4?,???????????,?700???

?,??????????????????????????,????????????????????????????????????????,?????????????????????????????????????1000?????????????3200?????????????????3200????3200????????5000????(?? ????? ??? ??? ???????? ???)

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