The first entry in the 123 Animal Math series. Kids and iPads are a better fit than you'd think—as long as those little hands are clean. Advertisement The first entry in the 123 Animal Math series.
https://doi.org/10.4169/amer.math.monthly.123.5.415 https://www.jstor.org/stable/10.4169/amer.math.monthly.123.5.415 We detail the history of the problem of deciding ...
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