ADDITION AND SUBTRACTION WITH ADD MODE /
SUMA Y RESTA CON MODO DE SUMA
12.45 + 16.24 + 19.35 – 5.21 =
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| F 6 4 3 2 1 0 |
| 1245 |
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| 12.45 | 12.45 + | ||||
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| 1624 |
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| 28.69 | 16.24 + | |
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| 1935 |
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| 48.04 | 19.35 | + |
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| 521 |
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| 42.83 | 5.21 | – |
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| 42.83 | ✱ |
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| 42.83 |
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*1 : was not used in the entries.
*1 : La no ha sido usada en los registros.
MIXED CALCULATIONS / CALCULOS MIXTOS
A. (10 + 2) ⋅ 5 =
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| F 6 4 3 2 1 0 |
| 10 |
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| 10. | 10. + | ||
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| 2 |
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| 12. | 2. + |
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| 12. ◊ |
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| 12. | 12. ⋅ | |
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| 5 |
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| 60. ✱ |
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B. 5 ⋅ 2 + 12 = |
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| F 6 4 3 2 1 0 |
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| 10. ✱ |
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| 10. |
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| 10. | 10. + |
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| 12 |
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| 22. | 12. + |
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| 22. ✱ |
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| 22. |
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| – 20 – |
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