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cuánto es 9- 7?
2
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cuánto es 3-2?
1
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cuánto es 8-5?
3
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cuánto es 7- 1?
6
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cuánto es 6- 2?
4
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cuánto es 6- 5?
1
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cuánto es 5-1?
4
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Okay!
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