77 - 77 = 77 - Matchstick Puzzles
16.Matchstick Puzzles
Move 2 matchsticks to make the equation correct.
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Explanation :
Take one stick from right-hand side 77 and one stick from middle 77 and create a + sign in between the middle 77, which becomes 7+1 the correct equation we get is 77 - 7 + 1 = 71.