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ī???????????л????У??г???????4???
???????????????????г???????????2.5???
???????????????????????г?????????11-12???
???????С??????????г???????3.5??????
?????г????????ó?????????????????????????????????250??????
??????????δ???????????г????????????????????У??????м???19-20????
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???????С??????????г????????3???
???????????????????????????????г?????????150???
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