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Evaluate: 12 + 8 ├╖ 4 - 2
8
12
10
14
12
Perform division first, followed by addition and subtraction from left to right to save time.
The arithmetic expression to evaluate is 12 + 8 ├╖ 4 - 2
12+8├╖4тИТ2=12
Perform division first, followed by addition and subtraction from left to right to save time.
Performing addition before division, such as calculating 12 + 8 first, which leads to an incorrect result.
Identify the operations
According to the BODMAS rule, division must be performed before addition and subtraction.
8├╖4=2
Perform addition
Substitute the result of division into the expression to get 12+2тИТ2, then add 12 and 2.
12+2=14
Perform subtraction
Subtract 2 from the intermediate sum of 14 to find the final value.
14тИТ2=12
B is correct because evaluating the expression using the BODMAS rule gives 12.
Order of operations is fundamental for simplifying algebraic expressions and solving equations in algebra and quantitative aptitude sections.
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