| 1. | × 3 + 5 × 2 - 1 × 4 - 2 × 1 = 22
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| 2. | * Esta es una hoja prehecha. Utilice el enlace arriba de la página para un imprimible. |
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| 3. | (8 - 5) - 2 + + 4 - (1 × 3) = 7
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| 4. | × (1 × 5 + 3 - 4 + 2) + 2 × 5 + 4 × 1 = 50
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| 5. | × 5 - 4 - 1 × 3 + 2 + 5 = 30
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| 6. | 7 × 2 - 3 + 4 × 5 × × 2 + 4 + 3 = 58
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| 7. | (8 - 3 + 5 - + 4) × 1 × 4 × 3 = 144
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| 8. | (5 - 2) + 3 × (2 - 5 + 4) × 1 - + 2 × 5 = 15
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| 9. | 6 × 3 × 2 + 4 + 5 - × 1 = 42
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| 10. | ( × 2) × 4 - 5 + 3 × 2 + (4 × 1) = 69
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| 11. | (9 + 5) - + 4 × 2 × (3 - 1 + 5) = 68
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| 12. | 7 × 5 × 2 - 1 × 3 × 4 + 2 × × 1 = 68
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| 13. | 6 - 4 + 1 + (3 × + 5 - 5) = 9
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