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Puzzles and Recreations: Intermediate
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Demonstrations 81 - 100 of 165
Coffee Mug to Donut
Subtraction Bingo with No Negatives
Subtraction Bingo with Negatives
Magic Multiplications with Digits
Cube Net or Not
Krypto, or 24-Game
Cube Net
Letter Products
Gematria (Letter Sums)
Pandigital Olympic Circles Puzzle
Click a Country
Tangram
Lava Lamp
Dissection of a Triangle to Its Mirror Image II
Bradley's Two-Triangles-to-One Dissection
Parallelogram Slide
Color Blindness
Designs by Colorful Circles
Sweet Heart
Broken Heart Tangram
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Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
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