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

2??????

3??????100?????

4???????

5???????

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?????,???,????????25%???,???10%????????

??????11???????????????????????25%??????,???????????????,??????????????????????,??,?????????????????“?????????????”?????

???????????2??4???,????,???300???????????????????(???????206.3??????????)????????????????????????????????????????????????????????????????????????????????????

??,??????????1250???????(???859.6?????)????????????????????????????????????????????????????????????????????????????????21?????

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