Square of 3 - Matchstick Puzzle
30.Matchstick Puzzles
Add one matchstick to create square of 3.

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Explanation :
Move one stick from the + sign and move it to five so, It becomes 9 - 7 = 2.
Add one matchstick to create square of 3.
Explanation :
Move one stick from the + sign and move it to five so, It becomes 9 - 7 = 2.