This link has been bookmarked by 29 people . It was first bookmarked on 15 Apr 2008, by someone privately.
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ron HTabula Digita -- called DimensionM -- games designed to assist in the learning of algebra.
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ron houtmanTabula Digita -- called DimensionM -- games designed to assist in the learning of algebra.
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28 Apr 08
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15 Apr 08
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25 Mar 08
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10 Nov 07
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