18. simplify this expression: 13+ (-) = ?
o a.-6
o b.–30
o c.6
o d.30...
Mathematics, 30.08.2019 23:10 rscott400
18. simplify this expression: 13+ (-) = ?
o a.-6
o b.–30
o c.6
o d.30
Answers: 1
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