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

??????????????????????????????????????????????????ɡ?

1-2??20-30

2-3??150-170

159????165????168????150????141????

3-4??440-495

448(6)????464????440????110*4=440????111*4=444????118*4=472????123*4=492

4-5 830-950

159*5(9)=795????172*5=860????840???? 166*5=830????840(8)????

5-6 1570-1670

257*6(10)=1542????

6-7 2700-2800

2590??

7-8 4100-4200

8-9 5600-5800

9-10 8200-8400

10-11 10300-12700

11-12 14000-16400

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

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

>>????????????