AR
6
6.1
6.2
6-2-1
3
�)24
⇐
13
⇐
⇐ 25
24
1124
6.2.1
1 x 2
2 x 5
3 x 10
4 x 50
5 x 100
⇐ � )19
⇐ 25
20
24
24 25
11
23 24 25
20
- 11 -