Puzzle #485: Find the Missing Operators

hard

This puzzle necessitates rapid thinking and problem solving aptitude. You'll be given a formulae with three operators missing. Your task is to locate the absent operators and fill in the formulae. It's a superb way to evaluate your understanding of basic mathematics and enhance your reasoning skills. Prepare to exercise your intellect and have fun!

Math puzzle: 1 _ 9 _ 8 _ 2 = 13, find the 3 missing operators
1 ? 9 ? 8 ? 2 = 13

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Solution: 1 * 9 + 8 / 2 = 13
1 * 9 + 8 / 2 = 13

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