MP0160: Roman Numeral Equation 11 + 1 = 10

   March 20, 2021  Leave a Comment on MP0160: Roman Numeral Equation 11 + 1 = 10  Posted in Matchstick, Matchstick - Mathematical

Here is an equation using roman numerals 11 + 1 = 10, but it is not correct.

What is the minimum number of matches you need to move to make it valid?

Zero. You can make it correct by turning it upside down.

X = I + IX (10 = 1 + 9)

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