roseemilyarch
roseemilyarch roseemilyarch
  • 01-09-2017
  • Mathematics
contestada

A+b
A*b
A-b
A *divide sign*
Which one isn't closed

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musiclover10045
musiclover10045 musiclover10045
  • 01-09-2017
A *divide sign* isn't closed since there isn't a second letter or number with it
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