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Order of operations (× ÷ before + −)
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Learn it Do multiplication and division first, from left to right. Then do addition and subtraction, from left to right.
Example: $20 - 12 \div 4 + 3 \times 2$
- Division and multiplication first: $12 \div 4 = 3$ and $3 \times 2 = 6$.
- Now: $20 - 3 + 6$.
- Left to right: $17 + 6 = 23$.
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