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Try and solve the ancient numeral part of the course challenge

In this video, Dr. Yossi Elran challenges you to try and solve the ancient numeral part of the course challenge

It’s time again for the course challenge. Try and decipher the Roman numeral:
_____
CXLIIDCCCLVII

You can ask for hints in the discussion, but don’t give away the answer. That you’ll be able to see on the next step. Good Luck!

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This content is taken from Davidson Institute of Science Education at the Weizmann Institute of Science online course

Maths Puzzles: Cryptarithms, Symbologies and Secret Codes

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Maths Puzzles: Cryptarithms, Symbologies and Secret Codes

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