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7 + 3 * 8 - 1 / 21 = 30.95238

This answer was calculated according to the order of operations.

Rule 1: First perform any calculations inside parentheses.

Rule 2: Next, from left to right, do all multiplications and divisions.

Rule 3: Last, from left to right, do all additions and subtractions.

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13y ago
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Q: What is 7 plus 3 times 8-1 divided by 21?
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