Answer
$a+b=83\\
a-b=81\\
a*b=82\\
a/b=82$
Work Step by Step
$82+1=83\\
82-1=81\\
82*1=82\\
82/1=82$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.