Hiero
Regular
Some things to do if you are bored or a math geek.
http://www.mathplayground.com/matching_fraction_percent.html
http://www.schooltimegames.com/Logic/Tower.html
http://www.schooltimegames.com/Logic/CoinWeighing.html
http://www.mathplayground.com/matching_fraction_percent.html
http://www.schooltimegames.com/Logic/Tower.html
http://www.schooltimegames.com/Logic/CoinWeighing.html
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