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Evaluate: 16 + 18 ÷ 6 - 2 × 3
16
13
12
15
13
Apply the BODMAS rule: divide and multiply first in order from left to right, then perform addition and subtraction.
Mathematical expression: 16 + 18 ÷ 6 - 2 × 3
BODMAS:B=Bracket,O=Of,D=Division,M=Multiplication,A=Addition,S=Subtraction
Apply the BODMAS rule: divide and multiply first in order from left to right, then perform addition and subtraction.
Many students add 16 and 18 first (16+18=34) instead of performing the division (18÷6=3) first, leading to an incorrect result.
Perform Division
According to the BODMAS rule, division must be performed before addition or subtraction. Dividing 18 by 6 gives 3.
16+(18÷6)−2×3⇒16+3−2×3
Perform Multiplication
Next, perform the multiplication. Multiplying 2 by 3 gives 6.
16+3−(2×3)⇒16+3−6
Perform Addition and Subtraction
Finally, add 16 and 3 to get 19, then subtract 6 from the result.
19−6=13
B is correct because following the BODMAS rule leads to 16 + 3 - 6 = 13.
This order of operations (BODMAS/PEMDAS) is fundamental for solving complex algebraic expressions and physics equations where bracketed terms and operators appear together.
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