| 1. | * Esta es una hoja prehecha. Utilice el enlace arriba de la página para un imprimible. |
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| 2. |
| 14, 11, 17, 15 | _____, _____, _____, _____ | |
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| 3. |
| 11, 20, 12, 19 | _____, _____, _____, _____ | |
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| 4. |
| 15, 14, 13, 18 | _____, _____, _____, _____ | |
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| 5. |
| 20, 19, 12, 17 | _____, _____, _____, _____ | |
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| 6. |
| 61, 19, 16, 20 | _____, _____, _____, _____ | |
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| 7. |
| 15, 18, 81, 17 | _____, _____, _____, _____ | |
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| 8. |
| 12, 11, 13, 14 | _____, _____, _____, _____ | |
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| 9. |
| 12, 14, 20, 19 | _____, _____, _____, _____ | |
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| 10. |
| 16, 13, 15, 17 | _____, _____, _____, _____ | |
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| 11. |
| 20, 18, 14, 11 | _____, _____, _____, _____ | |
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| 12. |
| 19, 51, 11, 15 | _____, _____, _____, _____ | |
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