Math

Can You Solve The Four Fours Number Puzzle?

Can you solve the four fours puzzle? You can use any mathematical symbols (but you cannot use numbers) to make the following equations true: 4 4 4 4 = 0, 4 4 4 4 = 1, 4 4 4 4 = 2, and so on. There is no last equation to solve; the goal of this puzzle is for you to solve as many as possible in a given time frame. If you're timing how long it takes you to solve this one, you must start at the first equation and go up in order, no skipping allowed.

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Key Facts In This Video

  1. To make 4 4 4 4 = 1 true, you can solve it like this: 4-4+4/4=1. 04:40

  2. To make 4 4 4 4 = 6 true, you can solve it like this: 4^(4/4)+√4=6. 05:49

  3. To make 4 4 4 4 = 14 true, you can solve it like this: 4!/√4+4/√4=14. 07:49