Download your free mathematical puzzles and crack The Code:
Download your free mathematical puzzles.
After your puzzle arrives, come back and unscramble the code.
Download your free mathematical puzzles to help you unscramble The Code here then come back to OpenLearn once you've got that six-digit number.
Download your free mathematical puzzles and crack The Code:
Copyright: The Open University
Download your free mathematical puzzles.
After your puzzle arrives, come back and unscramble the code.
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