2
3
4
|
8x |
2 |
1x |
+ |
2 |
1x |
|
2x |
|
3
8
1x
1
9
2x 2x
2
10
1x |
1x |
2x |
|
|
2x |
1x |
1x |
2x |
3
1 |
2 |
3 |
11
1 |
2 |
3 |
4
12
13
1x 2x
4
14
2x |
4x |
5
2x
15
2x
6
16
1x 2x
7
17
1x |
1x |
2x |
|
|
2x |
1x |
1x |
2x |
8
1 |
2 |
3 |
18
1 |
2 |
3 |
4
19
20
6x
9
21
2x
10
22
2x |
4x |
11
23
2x
12
24
|
2x |
1x |
|
|
|
2 |
|
3 |
1x |
1x |
1
25
2x |
4x |
2x |
|
||
4 |
|
5 |
1 2
2x
26