Are You Up To This Mathematical Challenge? : 3 _ 4 _ 6 _ 6 = -4

This puzzle needs prompt thinking and problem-solving acumen. You'll be provided with an equation with three operators that are missing. Your task is to locate the missing operators and finish the equation. It's a terrific way to assess your understanding of basic math operations and refine your logic skills. Get set to exercise your brain and have a blast!