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#1 Help Me ! » parenthesis question » 2014-01-13 14:00:54

shara
Replies: 3

Is it wrong not to use parenthesis before the minus that is before the number 5?


Do I HAVE TO write "-2 + (-5) = -7" and "-2 x (-5) = 10" or is it ok to write "-2 + -5 = -7" and "-2 x -5 = 10"?


Thanks,

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