1.

by

2. !
3. 1908? 1968?
4. vs


(71)


(70)
5. ,
6. 99 88 234
7. 8. 8
23
99 88
9. 10. , !
6:4

6:4 4:6
40 40%
50 50%
60 60%





11.

?
12.




!
13.

:250 ~ 350

14. :150 ~ 200 15. :100 ~ 150