I have found this puzzle from StackExchange. It is interesting and want to share with you all. Below shows the equation 7 x 7 = 14, which is not correct.
Can you move 2 matches to make it valid? There are at least 2 answers.
Answer #1: After moving 2 matches, rotate the equation and you will get 111 = CXI (Roman numeral).
Answer #2: 7 / 7 = 1 ^ 4 (both sides equal 1.)
