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The matchstick equation in the picture is wrong. Which equation can you get by moving exactly ONE matchstick so that it becomes true?

Class 6Roman NumeralsNumbers
  • A
  • BX + I = XI
  • CIX − I = XI
  • DX − I = VIII

Step-by-Step Solution

The picture shows , which is false. Move the I from the right of the last to its left: , i.e. . Same 6 sticks, now true = XI needs an extra stick; = VIII uses 11 sticks.)
Answer: A)

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