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20 Cards in this Set
- Front
- Back
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10 - 6 = 4
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x
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4 + 8 = 12
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x
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8 + 12 = 20
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x
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2 + 4 = 6
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x
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12 - 8 = 4
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x
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4 + 6 = 10
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x
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20 - 8 = 12
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x
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6 - 4 = 2
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x
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20 - 12 = 8
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x
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6 + 4 = 10
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x
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8 + 4 = 12
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x
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4 + 2 = 6
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x
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7 + 3 = 10
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x
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9 + 8 = 17
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x
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17 - 8 = 9
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x
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10 - 3 = 7
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x
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8 + 9 = 17
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x
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10 - 7 = 3
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x
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17 - 9 = 8
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x
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3 + 7 = 10
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x
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