12/27/2012 18:44:19 12/31/2012 16:05:27 1/1/2013 12:31:41 1/23/2013 04:07:40 1/26/2013 04:25:41 |
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Plural number line Replacing the single number line with a number line and measurement device capable of accurate identification and measurement those things outside the built in parameters of the single number line. |
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