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???2??????????????6??? ????????????:??5??,????,?????,????????????,??????????????100??
??,????5???????????,??,??56.5?????????,?????4.5????????????,?????????????????200??????,????????
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??????????,???,????????,??1000??????????????????,?????????100??????????????????,??5??????????????????????????????????????,??????????40%?????,???3000????????????????3?????????????,?????7000??????
?,???????????4??????,???????????25???????????,???????????????????????????????,????,1????????????????3?????,105??(?????????????100???)?????????????????176?????????
???,?,??????4???????????????????(????)???18??????,????????????583??????(??????????????) ?????????:??
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