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Knowledge You Can Build On — Est. 1998

Friday puzzle -- matchstick math

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Friday puzzle -- matchstick math

#1

Friday puzzle -- matchstick math

Alex Y

Shown below is an incorrect equation. By moving one matchstick, change this to a correct equation. (Note that a correct equation is different from a true statement, so moving a matchstick to create a "not equal to" sign won't count.)


Re: Friday puzzle -- matchstick math

#2

Re: Friday puzzle -- matchstick math

Bill Earl

I have an answer in mind, but it is quite radical.

Re: Friday puzzle -- matchstick math

#3

 


Re: Friday puzzle -- matchstick math

#4

Solution

Alex Y

Bill got to the root of this one very quickly. By rotating and moving the second "I" of VII, you end up with:


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