Actividad 3/11/2017
Realiza las
siguientes operaciones combinadas con números naturales:
3 + 7 + 12 =
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3 · (5 – 2) =
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25 : (12 – 7) =
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13 – 8 + 2 =
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12 – (5 +6) =
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10 – 8 + 6 =
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6 · 4 – 4 =
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4 · (12 – 10) =
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18 : 3 + 6 =
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11 – 8 : 2 =
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(7 - 5) · 4 =
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15 – (7 + 3) =
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20 – 18 + 14 =
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25 – 3 · 7 =
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16 : (8 – 4) =
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4 + 12 : 3 =
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(14 – 10) · 2 =
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10 – (13 – 9) =
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8 – (10 – 7) =
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5 · 4 – 17 =
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21 : (3 +4) =
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30 :15 – 1 =
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