????:1?????92?95?98?:????

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

3????????

4????100????

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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