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q????????????????顣???????????????????????????????????80??????????????о???????????С?

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0?? ?????? ????????????10%??????2?Ρ?

1?? ?????? ????????????15%??????2?Ρ?

2?? ?????? ????????????20%??????2?Ρ?

3?? ?????? ????????????25%??????2?Ρ?

4?? ?????? ????????????35%??????2?Ρ?

5?? ?????????? ????????????60%??????2?Ρ?

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