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Mathematics 7 Online
OpenStudy (anonymous):

what is the meaning of this : ±

OpenStudy (anonymous):

that is plus or minus

OpenStudy (anonymous):

ahh so the symbol can be plus or minus ?? what we use this for?

OpenStudy (anonymous):

eg sometimes there may be two asnwers or the same number and u can write ±1 which means the answer can be plus or minus one. Its basically for mathematicians taking a shortcut.

OpenStudy (anonymous):

ahh thanks for explanation :)

OpenStudy (anonymous):

no probs

OpenStudy (angela210793):

:):):):P

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