Complete the exercise:
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Complete the exercise:
According to the rules of the order of arithmetic operations, we must first place the multiplication and division exercises within parentheses:
We then proceed to solve the exercise in parentheses from left to right:
We obtain the following exercise:
5
\( 8 + 3 \times 2 = \)
Order of operations (PEMDAS) requires multiplication and division before addition and subtraction! Working strictly left to right ignores these rules and gives wrong answers.
The parentheses in the explanation are just for showing which operations to do first. You don't need to write them - just remember multiplication and division come before subtraction.
The colon (:) means division, just like the ÷ symbol. So is the same as .
Multiplication and division have equal priority and are solved left to right. So: 4×7=28, then 28×2=56, then 56÷4=14.
We get 14 - 9 = 5 because the multiplication and division part equals 14, which is larger than the 9 we're subtracting. Always complete grouped operations first!
Yes, but make sure your calculator follows order of operations! Some basic calculators work left to right, which would give the wrong answer. Scientific calculators typically follow PEMDAS correctly.
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