Sumar.
| 1 a. |
(–3) + 5 + (–7) = ______
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| 1 b. |
1 + 4 + (–3) = ______
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| 2 a. |
(–15) + 1 + 5 = ______
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| 2 b. |
9 + (–5) + (–1) = ______
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| 3 a. |
(–20) + (–10) + 3 = ______
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| 3 b. |
(–14) + 9 + 8 = ______
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| 4 a. |
2 + (–6) + 7 = ______
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| 4 b. |
13 + (–10) + (–5) = ______
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| 5 a. |
(–19) + 5 + (–5) = ______
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| 6 a. |
4 + 8 + (–4) = ______
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| 6 b. |
(–13) + 10 + 0 = ______
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| 7 a. |
1 + (–2) + 3 = ______
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| 7 b. |
(–14) + (–8) + (–7) = ______
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| 8 b. |
(–4) + (–1) + (–4) = ______
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| 9 a. |
(–3) + 1 + (–10) = ______
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| 9 b. |
(–15) + 10 + 0 = ______
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| 10 a. |
(–12) + 0 + (–10) = ______
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| 10 b. |
(–13) + (–7) + 5 = ______
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