B.CUBING / CUBOS 53 = 5 ⋅ 5 ⋅ 5 =
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| 5 | 5. | 5. ⋅ |
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| 5. =K |
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| 25. | 25. |
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| 25. =K | |
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| 125. |
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| 5 | 5. | 5. ⋅ |
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| 25. | 5. ⋅ |
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| 5. = |
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| 125. | 125. |
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CORRECTION OF ERRORS / CORRECCIÓN DE ERRORES A. 123 + 556 → 123 + 456
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| 123 | 123. | 123. | + | |
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| 556 | 0. |
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| 456 | 579. | 456. | + | |
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| 579. | 579. |
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B. 1234567 → 1234578 |
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(2) | (3) |
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| 1234567 | 1,234,567. |
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| 123,456. |
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| 12,345. |
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| 78 | 1,234,578. |
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– 34 –
