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8:05 PM | Arcos de Málaga: ojival equilátero

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12:54 PM | addition of integers is cancellative

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12:37 PM | addition of integers is commutative proof

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12:17 PM | addition of integers is commutative

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7:45 AM | The Share the Power Puzzle

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7:13 AM | Unexpected Shapes (Part 2) - Numberphile

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5:58 AM | Unexpected Shapes (Part 1) - Numberphile

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7:07 PM | Experiencing the SACNAS conference

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8:26 AM | GST - electronic worksheet

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