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2?????????

3???????qq?

4??????????????

5???????

???????8???19???????? (?? ?????????????????????)??????????????????????????????19??????????,??50??,??1615???????,??????6%?

??????,????????????2.05???????????????60??,????????????????????????????????????????????????????????????,????

??????1500?????????,???????????????1000??????????????????????,????????????????????1615??????,????6%???,??????????,??

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