곱셈 2자리 X 2자리
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곱셈: 2 x 21X7
1
| 1 | 7 | ||
| 8 | 6 | ||
| 1 | 0 | 2 | |
| 1 | 3 | 6 | 0 |
| 1 | 4 | 6 | 2 |
2
| 2 | 0 | ||
| 5 | 5 | ||
| 1 | 0 | 0 | |
| 1 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 |
3
| 2 | 1 | ||
| 5 | 1 | ||
| 2 | 1 | ||
| 1 | 0 | 5 | 0 |
| 1 | 0 | 7 | 1 |
4
| 2 | 0 | ||
| 4 | 1 | ||
| 2 | 0 | ||
| 8 | 0 | 0 | |
| 8 | 2 | 0 |
5
| 5 | 2 | ||
| 2 | 1 | ||
| 5 | 2 | ||
| 1 | 0 | 4 | 0 |
| 1 | 0 | 9 | 2 |
6
| 8 | 2 | ||
| 8 | 5 | ||
| 4 | 1 | 0 | |
| 6 | 5 | 6 | 0 |
| 6 | 9 | 7 | 0 |
7
| 4 | 7 | ||
| 7 | 3 | ||
| 1 | 4 | 1 | |
| 3 | 2 | 9 | 0 |
| 3 | 4 | 3 | 1 |
8
| 1 | 0 | ||
| 4 | 7 | ||
| 7 | 0 | ||
| 4 | 0 | 0 | |
| 4 | 7 | 0 |
9
| 5 | 6 | ||
| 5 | 4 | ||
| 2 | 2 | 4 | |
| 2 | 8 | 0 | 0 |
| 3 | 0 | 2 | 4 |
10
| 4 | 0 | ||
| 3 | 2 | ||
| 8 | 0 | ||
| 1 | 2 | 0 | 0 |
| 1 | 2 | 8 | 0 |
11
| 6 | 1 | ||
| 5 | 5 | ||
| 3 | 0 | 5 | |
| 3 | 0 | 5 | 0 |
| 3 | 3 | 5 | 5 |
12
| 4 | 7 | ||
| 7 | 3 | ||
| 1 | 4 | 1 | |
| 3 | 2 | 9 | 0 |
| 3 | 4 | 3 | 1 |
13
| 3 | 7 | ||
| 4 | 6 | ||
| 2 | 2 | 2 | |
| 1 | 4 | 8 | 0 |
| 1 | 7 | 0 | 2 |
14
| 1 | 1 | ||
| 3 | 2 | ||
| 2 | 2 | ||
| 3 | 3 | 0 | |
| 3 | 5 | 2 |
15
| 1 | 4 | ||
| 3 | 3 | ||
| 4 | 2 | ||
| 4 | 2 | 0 | |
| 4 | 6 | 2 |