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Mathematics 18 Online
OpenStudy (anonymous):

help

OpenStudy (anonymous):

?

OpenStudy (anonymous):

OpenStudy (anonymous):

the answer is the same then why we donot use it

OpenStudy (anonymous):

what?? i can't understnd oh wait i see, in math, it is better to used the simplified form

OpenStudy (anonymous):

So this is also a correct method ?

OpenStudy (anonymous):

yes indeed

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