Puzzle #1999: Find the Missing Operators

hard

To solve this puzzle, you need to have quick-wittedness and problem solving capacity. An equation with three blank operators will be given and you'll need to identify the missing operators and complete the equation. This is a great way to evaluate your grasp of basic mathematics and refine your logical skills. Get ready to put your brain to work and enjoy the challenge!

Math puzzle: 4 _ 7 _ 5 _ 7 = 20, find the 3 missing operators
4 ? 7 ? 5 ? 7 = 20

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Solution: 4 * 7 * 5 / 7 = 20
4 * 7 * 5 / 7 = 20

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