| 1. | 27, 31, 35, _____, 43, _____, _____, _____, _____
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| 2. | 81, 76, 71, _____, 61, 56, _____, _____, _____
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| 3. | 46, 50, 54, _____, _____, _____, _____, _____, _____, _____
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| 4. | 86, 81, 76, _____, _____, _____, _____, _____
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| 5. | 16, 20, 24, _____, 32, 36, _____, _____, _____, _____
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| 6. | * Esta es una hoja prehecha. Utilice el enlace arriba de la página para un imprimible. |
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| 7. | 14, 17, 20, _____, _____, _____, _____, _____, 38
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| 8. | 32, 30, 28, _____, 24, _____, 20, _____
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| 9. | 55, 52, 49, _____, _____, _____, _____, _____, _____, _____
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| 10. | 36, 38, 40, 42, _____, _____, 48, _____, _____, _____
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| 11. | 20, 23, 26, _____, _____, _____, _____, _____, _____, _____
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| 12. | 75, 72, 69, _____, _____, _____, _____, 54
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| 13. | 59, 56, 53, 50, _____, _____, _____, 38, _____, _____
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