Free Download Brain Aerobics Math Puzzles (Hard-to-Solve Math Puzzles) By Derrick Niederman
2013 | 96 Pages | ISBN: 1454909641 | PDF | 4 MB
Keep your mind fit with brain aerobics!If you like great mental exercises, try brain aerobics. All you have to do is open this book, lift a pencil, and flex your mind while solving this assortment of invigorating puzzles.In Brain Aerobics Math Puzzles, you'll need to be on top of your game. If the problems seem hard, that's because they are! They take insight and brainwork to solve, but don't require advanced math. The answers may not come to you right away, but you'll enjoy figuring them out.
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