The expression 7 + 7 ÷ 7 − 7 looks straightforward, but the order of operations matters. Division must be completed before addition and subtraction.
Start with 7 ÷ 7, which equals 1. The expression is now 7 + 1 − 7. Work from left to right: 7 + 1 = 8, and 8 − 7 = 1.
Answer: 1.
A common mistake is to calculate every operation from left to right from the beginning. Doing the division first is essential. Once that step is handled correctly, the rest of the puzzle is simple arithmetic.
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