7.
|
加数 |
6 |
5 |
3 |
|
2 |
3 |
5 |
4 |
|
加数 |
2 |
|
4 |
4 |
|
5 |
|
|
|
和 |
|
8 |
|
8 |
7 |
|
7 |
6 |
7.
|
加数 |
6 |
5 |
3 |
|
2 |
3 |
5 |
4 |
|
加数 |
2 |
|
4 |
4 |
|
5 |
|
|
|
和 |
|
8 |
|
8 |
7 |
|
7 |
6 |