???????????????????? ?????????? ????????????????

???????????????????????????????????趨??????????????

1?????????????趨? ???7?50??(????????????????????9??)???A?300??(5??)С???1500(3??)???????????????

2????????????????????????????????????????10??????????????1?????=????????=1.667?

3?????????????????????????棬????????涼??????????????????′???

1?????(?????) 2950??4917?

2????????? 6800??11333?

3???????? 3000??5000?

4????? 3150??5250?

5?????? 1800??3000?(δ????50????????)

6???1? 2200??3667?(δ????70????????)

7???????? 8375??13958?

8??????????? 1100??1833?

9??8????????? 11500??19167?

10,9?????????? 7800??13000?

11,4????????? 140??233?

12????? 2600??4334?

13????????????(1000) 4500??7500?

14????????????(20) 120??20?

15???????????????(500) 600??1000?

16???????? 500?? 833?

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