| 3000 + 400 = | 5000 + 9000 = | 2000 + 400 = |
| 4000 − 3000 = | 5000 − 4000 = | 4000 − 800 = |
| 200 + 7000 = | 1000 + 100 = | 700 + 900 = |
| 200 + 800 = | 600 + 600 = | 300 + 700 = |
| 400 + 500 = | 700 + 200 = | 900 + 700 = |
| 300 + 200 = | 500 + 400 = | 300 + 600 = |
| 400 + 6000 = | 4000 + 2000 = | 800 − 400 = |
| 700 + 700 = | 700 − 400 = | 900 − 500 = |
| 3000 − 300 = | 8000 − 700 = | 3000 − 2000 = |
| 1000 − 800 = | 3000 − 100 = | 3000 + 300 = |
| 100 + 500 = | 100 + 400 = | 500 + 100 = |
| 9000 − 4000 = | 1000 − 100 = | 9000 − 900 = |
| 400 + 400 = | 600 + 200 = | 900 + 300 = |
| 4000 − 200 = | 8000 − 6000 = | 7000 − 1000 = |
| 1000 + 7000 = | 1000 + 8000 = | 300 − 200 = |
| 3000 + 6000 = | 300 + 1000 = | 200 + 700 = |
| 5000 + 3000 = | 300 + 8000 = | 600 + 500 = |
| 9000 + 300 = | 6000 + 200 = | 700 − 500 = |
| 9000 − 600 = | 4000 − 300 = | 9000 − 7000 = |
| 900 − 700 = | 600 − 300 = | 800 − 300 = |
| 800 + 2000 = | 8000 + 600 = | 100 + 200 = |
| 1000 + 200 = | 4000 + 9000 = | 5000 − 400 = |
| 2000 − 300 = | 4000 − 100 = | 7000 − 500 = |
| 500 − 200 = | 500 − 100 = | 800 − 100 = |
| 3000 + 200 = | 2000 + 300 = | 300 + 400 = |
| 2000 + 900 = | 500 + 8000 = | 1000 − 600 = |
| 7000 − 300 = | 4000 − 1000 = | 4000 − 900 = |
| 5000 − 500 = | 5000 − 600 = | 1000 − 300 = |
| 900 − 100 = | 500 − 300 = | 900 − 800 = |
| 9000 − 8000 = | 7000 − 800 = | 5000 − 200 = |
| 2000 + 200 = | 5000 + 600 = | 300 − 100 = |
| 5000 + 500 = | 200 + 9000 = | 800 + 4000 = |
| 6000 − 700 = | 4000 − 2000 = | 7000 − 200 = |
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