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3??????????????*5 ????澫*2

4??????????????*8 ????澫*4

5??????????????*5 ????澫*8

6??????????????*8 ????澫*16

7??????????????*5 ????澫*32

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?????????6??

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2. ???????(???????)??

3. ???￥30??50??70???????漴????(???????)

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5.?????100????????(???????)

6.???????(???????)

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