Free Download Robert J. Rothwell, "Dodecabus: A New Kind of Math Puzzle"
English | 2014 | pages: 20 | ISBN: 1460248511 | PDF | 3,2 mb
Dodecabus: A New Kind of Math Puzzle.
Looking for some fun puzzles / brain exercise?
Want to brush up on your basic math skills?
Interested in elementary number theory?
Enjoy the challenge of deceptively easy problems?
Then, this new Math Puzzle was designed and built for you!
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