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December 21, 2014

December 21, 2014

Posted by **Sama** on Friday, December 18, 2009 at 2:39pm.

All four digits must be used in each expression.

1. Only the digits 2, 0, 1, 0 may be used.

2. The decimal point may be used, as in .1, .02, etc.

3. Multi-digit numbers such as 20 or 102 may be used.

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