arrowgram...

2014 Joint Math Mtgs (@JointMath) tweetou às 6:40 PM on sex, Abr 26, 2013: Price & Dewitt, U of Wisconsin,Oshkosh, create "arrowgram" puzzles to help students enjoy doing math: http://t.co/430UGHMD73 #math #JMM13 (https://twitter.com/JointMath/status/327839700821880832) Adquira o aplicativo oficial do Twitter em https://twitter.com/download