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| 10 + 60 = 40 − 20 = 50 + 30 = 40 − 20 = 40 + 60 = | 50 − 50 = 40 + 20 = 10 − 10 = 30 + 40 = 100 − 60 = | |
| 30 + 40 = 80 − 60 = 20 + 50 = 50 − 10 = 70 + 30 = | 100 − 70 = 20 + 60 = 80 − 50 = 30 + 40 = 90 − 40 = | |
| 80 + 10 = 100 − 60 = 20 + 80 = 100 − 40 = 20 + 70 = | 70 − 20 = 50 + 50 = 90 − 40 = 30 + 40 = 50 − 40 = | |
| 10 + 60 = 70 40 − 20 = 20 50 + 30 = 80 40 − 20 = 20 40 + 60 = 100 | 50 − 50 = 0 40 + 20 = 60 10 − 10 = 0 30 + 40 = 70 100 − 60 = 40 | |
| 30 + 40 = 70 80 − 60 = 20 20 + 50 = 70 50 − 10 = 40 70 + 30 = 100 | 100 − 70 = 30 20 + 60 = 80 80 − 50 = 30 30 + 40 = 70 90 − 40 = 50 | |
| 80 + 10 = 90 100 − 60 = 40 20 + 80 = 100 100 − 40 = 60 20 + 70 = 90 | 70 − 20 = 50 50 + 50 = 100 90 − 40 = 50 30 + 40 = 70 50 − 40 = 10 | |
| 20 + 50 = 100 − 70 = 10 + 80 = 90 − 50 = 60 + 10 = | 90 − 10 = 30 + 10 = 60 − 20 = 60 + 20 = 60 − 20 = | 70 + 20 = 40 − 30 = 50 + 50 = 30 − 10 = 10 + 80 = | |
| 100 − 90 = 40 + 10 = 80 − 50 = 40 + 50 = 80 − 10 = | 10 + 20 = 40 − 40 = 80 + 20 = 30 − 30 = 10 + 40 = | 100 − 40 = 30 + 30 = 50 − 10 = 80 + 20 = 80 − 70 = | |
| 30 + 60 = 90 − 50 = 20 + 10 = 80 − 80 = 40 + 20 = | 40 − 30 = 70 + 10 = 40 − 30 = 70 + 10 = 100 − 40 = | 50 + 20 = 90 − 80 = 30 + 40 = 90 − 30 = 80 + 20 = | |
| 20 + 50 = 70 100 − 70 = 30 10 + 80 = 90 90 − 50 = 40 60 + 10 = 70 | 90 − 10 = 80 30 + 10 = 40 60 − 20 = 40 60 + 20 = 80 60 − 20 = 40 | 70 + 20 = 90 40 − 30 = 10 50 + 50 = 100 30 − 10 = 20 10 + 80 = 90 | |
| 100 − 90 = 10 40 + 10 = 50 80 − 50 = 30 40 + 50 = 90 80 − 10 = 70 | 10 + 20 = 30 40 − 40 = 0 80 + 20 = 100 30 − 30 = 0 10 + 40 = 50 | 100 − 40 = 60 30 + 30 = 60 50 − 10 = 40 80 + 20 = 100 80 − 70 = 10 | |
| 30 + 60 = 90 90 − 50 = 40 20 + 10 = 30 80 − 80 = 0 40 + 20 = 60 | 40 − 30 = 10 70 + 10 = 80 40 − 30 = 10 70 + 10 = 80 100 − 40 = 60 | 50 + 20 = 70 90 − 80 = 10 30 + 40 = 70 90 − 30 = 60 80 + 20 = 100 | |
| 30 + 60 = 60 − 40 = 20 + 40 = 10 − 10 = 30 + 70 = | 80 − 60 = 70 + 10 = 20 − 10 = 20 + 40 = 100 − 80 = | 10 + 10 = 80 − 60 = 30 + 70 = 60 − 30 = 10 + 70 = | 80 − 40 = 80 + 20 = 90 − 10 = 10 + 40 = 40 − 10 = | |
| 40 + 20 = 80 − 20 = 10 + 30 = 20 − 20 = 30 + 30 = | 80 − 60 = 20 + 30 = 90 − 70 = 10 + 10 = 80 − 20 = | 70 + 30 = 90 − 80 = 20 + 20 = 60 − 10 = 50 + 50 = | 90 − 80 = 20 + 30 = 100 − 20 = 20 + 30 = 90 − 90 = | |
| 70 + 20 = 50 − 20 = 50 + 40 = 90 − 10 = 70 + 20 = | 60 − 10 = 50 + 30 = 30 − 20 = 10 + 30 = 70 − 40 = | 10 + 40 = 100 − 80 = 40 + 60 = 60 − 10 = 30 + 30 = | 90 − 90 = 20 + 50 = 70 − 60 = 40 + 20 = 60 − 40 = | |
| 30 + 60 = 90 60 − 40 = 20 20 + 40 = 60 10 − 10 = 0 30 + 70 = 100 | 80 − 60 = 20 70 + 10 = 80 20 − 10 = 10 20 + 40 = 60 100 − 80 = 20 | 10 + 10 = 20 80 − 60 = 20 30 + 70 = 100 60 − 30 = 30 10 + 70 = 80 | 80 − 40 = 40 80 + 20 = 100 90 − 10 = 80 10 + 40 = 50 40 − 10 = 30 | |
| 40 + 20 = 60 80 − 20 = 60 10 + 30 = 40 20 − 20 = 0 30 + 30 = 60 | 80 − 60 = 20 20 + 30 = 50 90 − 70 = 20 10 + 10 = 20 80 − 20 = 60 | 70 + 30 = 100 90 − 80 = 10 20 + 20 = 40 60 − 10 = 50 50 + 50 = 100 | 90 − 80 = 10 20 + 30 = 50 100 − 20 = 80 20 + 30 = 50 90 − 90 = 0 | |
| 70 + 20 = 90 50 − 20 = 30 50 + 40 = 90 90 − 10 = 80 70 + 20 = 90 | 60 − 10 = 50 50 + 30 = 80 30 − 20 = 10 10 + 30 = 40 70 − 40 = 30 | 10 + 40 = 50 100 − 80 = 20 40 + 60 = 100 60 − 10 = 50 30 + 30 = 60 | 90 − 90 = 0 20 + 50 = 70 70 − 60 = 10 40 + 20 = 60 60 − 40 = 20 | |
| 30 + 70 = 60 − 50 = 10 + 70 = 50 − 10 = 50 + 10 = | 80 − 10 = 10 + 30 = 70 − 70 = 30 + 70 = 50 − 40 = | 20 + 20 = 100 − 90 = 40 + 50 = 100 − 50 = 30 + 60 = | 100 − 90 = 20 + 50 = 60 − 10 = 90 + 10 = 100 − 20 = | |
| 40 + 30 = 90 − 90 = 20 + 60 = 100 − 50 = 70 + 30 = | 100 − 20 = 30 + 60 = 80 − 60 = 30 + 70 = 90 − 60 = | 10 + 30 = 70 − 30 = 20 + 40 = 90 − 60 = 10 + 40 = | 50 − 20 = 10 + 20 = 10 − 10 = 90 + 10 = 40 − 20 = | |
| 10 + 90 = 80 − 50 = 40 + 40 = 70 − 30 = 70 + 30 = | 100 − 80 = 40 + 10 = 10 − 10 = 50 + 50 = 60 − 50 = | 50 + 50 = 90 − 70 = 20 + 10 = 70 − 30 = 20 + 70 = | 90 − 40 = 70 + 20 = 100 − 40 = 10 + 90 = 50 − 10 = | |
| 30 + 50 = 90 − 40 = 60 + 10 = 50 − 10 = 70 + 30 = | 10 − 10 = 30 + 10 = 60 − 60 = 20 + 10 = 90 − 40 = | 50 + 20 = 90 − 80 = 20 + 50 = 60 − 20 = 20 + 30 = | 60 − 50 = 40 + 30 = 90 − 70 = 20 + 20 = 70 − 50 = | |
| 30 + 70 = 100 60 − 50 = 10 10 + 70 = 80 50 − 10 = 40 50 + 10 = 60 | 80 − 10 = 70 10 + 30 = 40 70 − 70 = 0 30 + 70 = 100 50 − 40 = 10 | 20 + 20 = 40 100 − 90 = 10 40 + 50 = 90 100 − 50 = 50 30 + 60 = 90 | 100 − 90 = 10 20 + 50 = 70 60 − 10 = 50 90 + 10 = 100 100 − 20 = 80 | |
| 40 + 30 = 70 90 − 90 = 0 20 + 60 = 80 100 − 50 = 50 70 + 30 = 100 | 100 − 20 = 80 30 + 60 = 90 80 − 60 = 20 30 + 70 = 100 90 − 60 = 30 | 10 + 30 = 40 70 − 30 = 40 20 + 40 = 60 90 − 60 = 30 10 + 40 = 50 | 50 − 20 = 30 10 + 20 = 30 10 − 10 = 0 90 + 10 = 100 40 − 20 = 20 | |
| 10 + 90 = 100 80 − 50 = 30 40 + 40 = 80 70 − 30 = 40 70 + 30 = 100 | 100 − 80 = 20 40 + 10 = 50 10 − 10 = 0 50 + 50 = 100 60 − 50 = 10 | 50 + 50 = 100 90 − 70 = 20 20 + 10 = 30 70 − 30 = 40 20 + 70 = 90 | 90 − 40 = 50 70 + 20 = 90 100 − 40 = 60 10 + 90 = 100 50 − 10 = 40 | |
| 30 + 50 = 80 90 − 40 = 50 60 + 10 = 70 50 − 10 = 40 70 + 30 = 100 | 10 − 10 = 0 30 + 10 = 40 60 − 60 = 0 20 + 10 = 30 90 − 40 = 50 | 50 + 20 = 70 90 − 80 = 10 20 + 50 = 70 60 − 20 = 40 20 + 30 = 50 | 60 − 50 = 10 40 + 30 = 70 90 − 70 = 20 20 + 20 = 40 70 − 50 = 20 | |
| 30 + 60 = 90 − 40 = 50 + 20 = 50 − 20 = 30 + 40 = | 90 − 70 = 20 + 10 = 70 − 20 = 30 + 60 = 60 − 10 = | 30 + 30 = 100 − 80 = 70 + 30 = 40 − 40 = 20 + 10 = | 60 − 20 = 40 + 10 = 30 − 20 = 10 + 30 = 100 − 20 = | 10 + 70 = 100 − 30 = 40 + 40 = 70 − 30 = 70 + 20 = | |
| 50 − 40 = 50 + 40 = 90 − 50 = 60 + 20 = 70 − 70 = | 20 + 70 = 50 − 50 = 60 + 20 = 100 − 50 = 50 + 40 = | 90 − 80 = 40 + 30 = 90 − 80 = 30 + 30 = 80 − 30 = | 20 + 50 = 90 − 90 = 70 + 30 = 60 − 30 = 60 + 30 = | 30 − 30 = 40 + 40 = 60 − 60 = 70 + 10 = 90 − 40 = | |
| 10 + 80 = 60 − 10 = 70 + 30 = 90 − 60 = 10 + 60 = | 100 − 10 = 60 + 20 = 100 − 40 = 10 + 30 = 100 − 20 = | 40 + 50 = 70 − 30 = 30 + 70 = 90 − 60 = 80 + 10 = | 60 − 40 = 10 + 70 = 40 − 40 = 30 + 70 = 90 − 50 = | 40 + 50 = 60 − 60 = 20 + 80 = 80 − 10 = 30 + 40 = | |
| 80 − 50 = 50 + 40 = 100 − 60 = 50 + 50 = 60 − 10 = | 10 + 10 = 100 − 10 = 20 + 30 = 90 − 70 = 40 + 40 = | 40 − 10 = 10 + 50 = 30 − 30 = 20 + 70 = 100 − 10 = | 10 + 10 = 60 − 20 = 60 + 30 = 90 − 20 = 70 + 10 = | 70 − 50 = 30 + 50 = 30 − 30 = 20 + 30 = 70 − 20 = | |
| 30 + 60 = 90 90 − 40 = 50 50 + 20 = 70 50 − 20 = 30 30 + 40 = 70 | 90 − 70 = 20 20 + 10 = 30 70 − 20 = 50 30 + 60 = 90 60 − 10 = 50 | 30 + 30 = 60 100 − 80 = 20 70 + 30 = 100 40 − 40 = 0 20 + 10 = 30 | 60 − 20 = 40 40 + 10 = 50 30 − 20 = 10 10 + 30 = 40 100 − 20 = 80 | 10 + 70 = 80 100 − 30 = 70 40 + 40 = 80 70 − 30 = 40 70 + 20 = 90 | |
| 50 − 40 = 10 50 + 40 = 90 90 − 50 = 40 60 + 20 = 80 70 − 70 = 0 | 20 + 70 = 90 50 − 50 = 0 60 + 20 = 80 100 − 50 = 50 50 + 40 = 90 | 90 − 80 = 10 40 + 30 = 70 90 − 80 = 10 30 + 30 = 60 80 − 30 = 50 | 20 + 50 = 70 90 − 90 = 0 70 + 30 = 100 60 − 30 = 30 60 + 30 = 90 | 30 − 30 = 0 40 + 40 = 80 60 − 60 = 0 70 + 10 = 80 90 − 40 = 50 | |
| 10 + 80 = 90 60 − 10 = 50 70 + 30 = 100 90 − 60 = 30 10 + 60 = 70 | 100 − 10 = 90 60 + 20 = 80 100 − 40 = 60 10 + 30 = 40 100 − 20 = 80 | 40 + 50 = 90 70 − 30 = 40 30 + 70 = 100 90 − 60 = 30 80 + 10 = 90 | 60 − 40 = 20 10 + 70 = 80 40 − 40 = 0 30 + 70 = 100 90 − 50 = 40 | 40 + 50 = 90 60 − 60 = 0 20 + 80 = 100 80 − 10 = 70 30 + 40 = 70 | |
| 80 − 50 = 30 50 + 40 = 90 100 − 60 = 40 50 + 50 = 100 60 − 10 = 50 | 10 + 10 = 20 100 − 10 = 90 20 + 30 = 50 90 − 70 = 20 40 + 40 = 80 | 40 − 10 = 30 10 + 50 = 60 30 − 30 = 0 20 + 70 = 90 100 − 10 = 90 | 10 + 10 = 20 60 − 20 = 40 60 + 30 = 90 90 − 20 = 70 70 + 10 = 80 | 70 − 50 = 20 30 + 50 = 80 30 − 30 = 0 20 + 30 = 50 70 − 20 = 50 | |
| 10 + 50 = 20 + 60 = 50 + 10 = 30 + 60 = 30 + 50 = | 100 − 20 = 100 − 50 = 60 − 60 = 50 − 30 = 60 − 10 = | |
| 50 + 40 = 40 + 10 = 60 + 10 = 20 + 50 = 10 + 60 = | 100 − 30 = 50 − 50 = 90 − 90 = 50 − 40 = 90 − 50 = | |
| 60 + 40 = 70 + 10 = 40 + 20 = 40 + 60 = 60 + 10 = | 40 − 20 = 100 − 60 = 80 − 30 = 90 − 10 = 10 − 10 = | |
| 10 + 50 = 60 20 + 60 = 80 50 + 10 = 60 30 + 60 = 90 30 + 50 = 80 | 100 − 20 = 80 100 − 50 = 50 60 − 60 = 0 50 − 30 = 20 60 − 10 = 50 | |
| 50 + 40 = 90 40 + 10 = 50 60 + 10 = 70 20 + 50 = 70 10 + 60 = 70 | 100 − 30 = 70 50 − 50 = 0 90 − 90 = 0 50 − 40 = 10 90 − 50 = 40 | |
| 60 + 40 = 100 70 + 10 = 80 40 + 20 = 60 40 + 60 = 100 60 + 10 = 70 | 40 − 20 = 20 100 − 60 = 40 80 − 30 = 50 90 − 10 = 80 10 − 10 = 0 | |
| 20 + 20 = 40 + 10 = 30 + 70 = 20 + 50 = 30 + 30 = | 40 − 10 = 90 − 50 = 60 − 40 = 70 − 50 = 80 − 40 = | 40 + 50 = 50 + 20 = 30 + 60 = 60 + 30 = 50 + 10 = | |
| 100 − 70 = 70 − 20 = 50 − 20 = 100 − 30 = 80 − 20 = | 30 + 50 = 30 + 10 = 30 + 10 = 20 + 30 = 60 + 30 = | 60 − 40 = 40 − 10 = 80 − 30 = 90 − 70 = 70 − 20 = | |
| 40 + 30 = 20 + 80 = 40 + 60 = 60 + 30 = 10 + 20 = | 80 − 30 = 60 − 40 = 40 − 40 = 30 − 20 = 90 − 90 = | 90 + 10 = 40 + 40 = 20 + 50 = 30 + 40 = 10 + 50 = | |
| 20 + 20 = 40 40 + 10 = 50 30 + 70 = 100 20 + 50 = 70 30 + 30 = 60 | 40 − 10 = 30 90 − 50 = 40 60 − 40 = 20 70 − 50 = 20 80 − 40 = 40 | 40 + 50 = 90 50 + 20 = 70 30 + 60 = 90 60 + 30 = 90 50 + 10 = 60 | |
| 100 − 70 = 30 70 − 20 = 50 50 − 20 = 30 100 − 30 = 70 80 − 20 = 60 | 30 + 50 = 80 30 + 10 = 40 30 + 10 = 40 20 + 30 = 50 60 + 30 = 90 | 60 − 40 = 20 40 − 10 = 30 80 − 30 = 50 90 − 70 = 20 70 − 20 = 50 | |
| 40 + 30 = 70 20 + 80 = 100 40 + 60 = 100 60 + 30 = 90 10 + 20 = 30 | 80 − 30 = 50 60 − 40 = 20 40 − 40 = 0 30 − 20 = 10 90 − 90 = 0 | 90 + 10 = 100 40 + 40 = 80 20 + 50 = 70 30 + 40 = 70 10 + 50 = 60 | |
| 30 + 50 = 10 + 10 = 70 + 30 = 70 + 20 = 70 + 30 = | 50 − 10 = 30 − 30 = 30 − 10 = 70 − 10 = 50 − 20 = | 20 + 50 = 20 + 50 = 60 + 20 = 60 + 10 = 80 + 10 = | 30 − 30 = 30 − 20 = 30 − 20 = 90 − 20 = 60 − 40 = | |
| 60 + 40 = 90 + 10 = 50 + 50 = 40 + 50 = 10 + 20 = | 50 − 40 = 50 − 40 = 60 − 40 = 100 − 40 = 100 − 20 = | 40 + 40 = 30 + 40 = 50 + 50 = 70 + 20 = 30 + 40 = | 30 − 30 = 40 − 30 = 80 − 20 = 90 − 20 = 60 − 50 = | |
| 30 + 20 = 20 + 40 = 50 + 20 = 50 + 20 = 50 + 30 = | 70 − 70 = 80 − 50 = 30 − 20 = 40 − 30 = 60 − 10 = | 10 + 70 = 30 + 50 = 20 + 80 = 10 + 10 = 10 + 80 = | 10 − 10 = 60 − 20 = 60 − 10 = 80 − 20 = 80 − 60 = | |
| 30 + 50 = 80 10 + 10 = 20 70 + 30 = 100 70 + 20 = 90 70 + 30 = 100 | 50 − 10 = 40 30 − 30 = 0 30 − 10 = 20 70 − 10 = 60 50 − 20 = 30 | 20 + 50 = 70 20 + 50 = 70 60 + 20 = 80 60 + 10 = 70 80 + 10 = 90 | 30 − 30 = 0 30 − 20 = 10 30 − 20 = 10 90 − 20 = 70 60 − 40 = 20 | |
| 60 + 40 = 100 90 + 10 = 100 50 + 50 = 100 40 + 50 = 90 10 + 20 = 30 | 50 − 40 = 10 50 − 40 = 10 60 − 40 = 20 100 − 40 = 60 100 − 20 = 80 | 40 + 40 = 80 30 + 40 = 70 50 + 50 = 100 70 + 20 = 90 30 + 40 = 70 | 30 − 30 = 0 40 − 30 = 10 80 − 20 = 60 90 − 20 = 70 60 − 50 = 10 | |
| 30 + 20 = 50 20 + 40 = 60 50 + 20 = 70 50 + 20 = 70 50 + 30 = 80 | 70 − 70 = 0 80 − 50 = 30 30 − 20 = 10 40 − 30 = 10 60 − 10 = 50 | 10 + 70 = 80 30 + 50 = 80 20 + 80 = 100 10 + 10 = 20 10 + 80 = 90 | 10 − 10 = 0 60 − 20 = 40 60 − 10 = 50 80 − 20 = 60 80 − 60 = 20 | |
| 50 + 20 = 40 + 10 = 60 + 10 = 20 + 40 = 30 + 30 = | 100 − 60 = 80 − 10 = 100 − 10 = 90 − 90 = 50 − 20 = | 10 + 90 = 30 + 60 = 10 + 30 = 40 + 50 = 20 + 20 = | 100 − 40 = 80 − 40 = 40 − 40 = 100 − 50 = 100 − 50 = | |
| 40 + 30 = 60 + 30 = 10 + 70 = 30 + 60 = 30 + 70 = | 90 − 30 = 50 − 30 = 70 − 60 = 80 − 40 = 80 − 10 = | 90 + 10 = 10 + 40 = 40 + 50 = 20 + 80 = 10 + 30 = | 80 − 20 = 100 − 60 = 90 − 80 = 50 − 30 = 100 − 90 = | |
| 30 + 60 = 20 + 40 = 40 + 60 = 50 + 50 = 70 + 30 = | 60 − 20 = 80 − 40 = 30 − 30 = 80 − 50 = 90 − 20 = | 50 + 40 = 10 + 20 = 60 + 30 = 10 + 60 = 10 + 50 = | 70 − 60 = 30 − 20 = 100 − 70 = 60 − 40 = 100 − 70 = | |
| 10 + 30 = 20 + 30 = 70 + 20 = 80 + 20 = 70 + 20 = | 100 − 70 = 100 − 70 = 70 − 70 = 100 − 40 = 90 − 30 = | 10 + 70 = 20 + 20 = 50 + 30 = 20 + 50 = 40 + 50 = | 90 − 90 = 100 − 40 = 90 − 90 = 40 − 10 = 80 − 20 = | |
| 50 + 20 = 70 40 + 10 = 50 60 + 10 = 70 20 + 40 = 60 30 + 30 = 60 | 100 − 60 = 40 80 − 10 = 70 100 − 10 = 90 90 − 90 = 0 50 − 20 = 30 | 10 + 90 = 100 30 + 60 = 90 10 + 30 = 40 40 + 50 = 90 20 + 20 = 40 | 100 − 40 = 60 80 − 40 = 40 40 − 40 = 0 100 − 50 = 50 100 − 50 = 50 | |
| 40 + 30 = 70 60 + 30 = 90 10 + 70 = 80 30 + 60 = 90 30 + 70 = 100 | 90 − 30 = 60 50 − 30 = 20 70 − 60 = 10 80 − 40 = 40 80 − 10 = 70 | 90 + 10 = 100 10 + 40 = 50 40 + 50 = 90 20 + 80 = 100 10 + 30 = 40 | 80 − 20 = 60 100 − 60 = 40 90 − 80 = 10 50 − 30 = 20 100 − 90 = 10 | |
| 30 + 60 = 90 20 + 40 = 60 40 + 60 = 100 50 + 50 = 100 70 + 30 = 100 | 60 − 20 = 40 80 − 40 = 40 30 − 30 = 0 80 − 50 = 30 90 − 20 = 70 | 50 + 40 = 90 10 + 20 = 30 60 + 30 = 90 10 + 60 = 70 10 + 50 = 60 | 70 − 60 = 10 30 − 20 = 10 100 − 70 = 30 60 − 40 = 20 100 − 70 = 30 | |
| 10 + 30 = 40 20 + 30 = 50 70 + 20 = 90 80 + 20 = 100 70 + 20 = 90 | 100 − 70 = 30 100 − 70 = 30 70 − 70 = 0 100 − 40 = 60 90 − 30 = 60 | 10 + 70 = 80 20 + 20 = 40 50 + 30 = 80 20 + 50 = 70 40 + 50 = 90 | 90 − 90 = 0 100 − 40 = 60 90 − 90 = 0 40 − 10 = 30 80 − 20 = 60 | |
| 40 + 40 = 40 + 30 = 40 + 40 = 10 + 80 = 60 + 40 = | 90 − 80 = 80 − 50 = 40 − 10 = 60 − 10 = 70 − 40 = | 80 + 20 = 20 + 30 = 10 + 60 = 30 + 60 = 20 + 50 = | 20 − 20 = 40 − 30 = 90 − 90 = 100 − 10 = 100 − 40 = | 10 + 80 = 50 + 40 = 20 + 30 = 40 + 10 = 20 + 60 = | |
| 70 − 50 = 20 − 20 = 80 − 70 = 70 − 40 = 60 − 10 = | 60 + 40 = 40 + 60 = 20 + 50 = 20 + 20 = 10 + 10 = | 60 − 10 = 90 − 10 = 70 − 10 = 90 − 90 = 60 − 20 = | 10 + 90 = 20 + 20 = 40 + 50 = 60 + 30 = 30 + 50 = | 60 − 30 = 30 − 30 = 60 − 20 = 40 − 10 = 30 − 10 = | |
| 40 + 50 = 50 + 50 = 20 + 60 = 50 + 10 = 50 + 50 = | 50 − 30 = 50 − 10 = 90 − 40 = 60 − 10 = 100 − 20 = | 10 + 30 = 20 + 10 = 30 + 10 = 50 + 50 = 20 + 80 = | 90 − 20 = 80 − 40 = 90 − 50 = 60 − 10 = 60 − 60 = | 40 + 50 = 70 + 20 = 30 + 20 = 30 + 30 = 10 + 20 = | |
| 80 − 70 = 90 − 40 = 90 − 70 = 100 − 40 = 80 − 50 = | 50 + 10 = 50 + 40 = 20 + 20 = 60 + 40 = 70 + 10 = | 100 − 60 = 80 − 10 = 100 − 40 = 60 − 10 = 100 − 10 = | 10 + 60 = 10 + 10 = 70 + 20 = 80 + 10 = 30 + 20 = | 90 − 50 = 90 − 60 = 100 − 50 = 30 − 20 = 100 − 30 = | |
| 40 + 40 = 80 40 + 30 = 70 40 + 40 = 80 10 + 80 = 90 60 + 40 = 100 | 90 − 80 = 10 80 − 50 = 30 40 − 10 = 30 60 − 10 = 50 70 − 40 = 30 | 80 + 20 = 100 20 + 30 = 50 10 + 60 = 70 30 + 60 = 90 20 + 50 = 70 | 20 − 20 = 0 40 − 30 = 10 90 − 90 = 0 100 − 10 = 90 100 − 40 = 60 | 10 + 80 = 90 50 + 40 = 90 20 + 30 = 50 40 + 10 = 50 20 + 60 = 80 | |
| 70 − 50 = 20 20 − 20 = 0 80 − 70 = 10 70 − 40 = 30 60 − 10 = 50 | 60 + 40 = 100 40 + 60 = 100 20 + 50 = 70 20 + 20 = 40 10 + 10 = 20 | 60 − 10 = 50 90 − 10 = 80 70 − 10 = 60 90 − 90 = 0 60 − 20 = 40 | 10 + 90 = 100 20 + 20 = 40 40 + 50 = 90 60 + 30 = 90 30 + 50 = 80 | 60 − 30 = 30 30 − 30 = 0 60 − 20 = 40 40 − 10 = 30 30 − 10 = 20 | |
| 40 + 50 = 90 50 + 50 = 100 20 + 60 = 80 50 + 10 = 60 50 + 50 = 100 | 50 − 30 = 20 50 − 10 = 40 90 − 40 = 50 60 − 10 = 50 100 − 20 = 80 | 10 + 30 = 40 20 + 10 = 30 30 + 10 = 40 50 + 50 = 100 20 + 80 = 100 | 90 − 20 = 70 80 − 40 = 40 90 − 50 = 40 60 − 10 = 50 60 − 60 = 0 | 40 + 50 = 90 70 + 20 = 90 30 + 20 = 50 30 + 30 = 60 10 + 20 = 30 | |
| 80 − 70 = 10 90 − 40 = 50 90 − 70 = 20 100 − 40 = 60 80 − 50 = 30 | 50 + 10 = 60 50 + 40 = 90 20 + 20 = 40 60 + 40 = 100 70 + 10 = 80 | 100 − 60 = 40 80 − 10 = 70 100 − 40 = 60 60 − 10 = 50 100 − 10 = 90 | 10 + 60 = 70 10 + 10 = 20 70 + 20 = 90 80 + 10 = 90 30 + 20 = 50 | 90 − 50 = 40 90 − 60 = 30 100 − 50 = 50 30 − 20 = 10 100 − 30 = 70 | |