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Mathematics 17 Online
OpenStudy (anonymous):

If you were to take 13+13-13=?

OpenStudy (skullpatrol):

Any ideas

OpenStudy (anonymous):

Use order of operations PEMDAS, so add 13+13 then subtract 13

OpenStudy (skullpatrol):

Do all additions and subtractions in order from left to right.

OpenStudy (skullpatrol):

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