tuf dice game try build valid mathematical equation play different level player different educational level parenthese decimal power percentage logarithm complex number gulp etc notthe basic idea roll cube number mathematical function number combine form multiple digit number player race form valid equation cube call quottufquot start minute timer player form equation cube start minute timer call quottufferquot equation call quottuffestquot quotmore tuffestquot etc start minute timer timer run player score good valid equation player make tuff score double

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