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@charylhills: The Romans lived without #zero #mathphoto16 @mathphoto16 @mathcoachrivera https://t.co/k11BlrfLUR | by tads2

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@charylhills: The Romans lived without #zero #mathphoto16 @mathphoto16 @mathcoachrivera https://t.co/k11BlrfLUR

The Romans lived without #zero #mathphoto16 @mathphoto16 @mathcoachrivera t.co/k11BlrfLUR - @charylhills

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Uploaded on July 13, 2016