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Mathematics 17 Online
OpenStudy (anonymous):

2 + 2 = ???

OpenStudy (anonymous):

4

OpenStudy (anonymous):

i would say 4 but im not sure if this is a trick question where 2+2 actually is supposed to be "22"..

OpenStudy (anonymous):

.

OpenStudy (anonymous):

i know.. somebody else did this exact question earlier and they insisted it was 22..

OpenStudy (anonymous):

A binary operation of addition that is commutative. "2"+"2" = "22" but that is concatenation, not addition.

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