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Description
Flashcards by leonardo fagudes, updated more than 1 year ago
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Created by leonardo fagudes
over 5 years ago
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| Question | Answer |
| Cálculo mental | x + Y = Z |
| 10 + 13= | 23 |
| 12 + 7= | 19 |
| 15 + 15= | 30 |
| 1 - 1 + 1 -1= | 0 |
| 9 - 9 + 5 - 5 | 0 |
| 5-1+8= | 12 |
| 12 + 6= | 18 |
| 14-13= | 1 |
| 5 + 5= | 10 |
| 4 + 4= | 9 |
| 12 + 8= | 20 |
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