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Message Subject Math: 6÷2(1+2) = ?
Poster Handle fisherman
Post Content
The order of operations is the order in which all algebraic expressions should be simplified. Oftentimes, the meaning of a complex expression changes depending upon the order in which it is calculated. The order of operations is:
Exponents (and Roots)
Multiplication & Division
Addition & Subtraction
This means that expressions within parentheses are evaluated first, then exponents (including roots, i.e. radicals), then multiplication and division (at the same level), and finally addition and subtraction (at the same level). If there are multiple operations at the same level on the order of operations, move from left to right.Whichever mnemonic you use, be aware that multiplication does not always come before division
1) 1+2=3
2) 6:2=3
3) 3x3=9
6 ÷ 2 (1 +2) = 9
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