The author didn't expect that answer.

Please look at your scratch paper and check to see if you copied this problem EXACTLY:

5 + 3(6 + 4) =

Check the numbers, the operation signs, and the placement of the parentheses.

If the problem is exactly the same, please check your arithmetic.

If you cannot locate the error, please seek assistance.


Now, please recopy and solve that problem carefully:

5 + 3(6 + 4) =

Click on your answer:
18 27 35 39 80 150
any other answer

Order of Operations Automatic Flip-Through SLIDE SHOW

Overview of the Order of Operations

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