Answers

The Brainliest Answer!
2014-07-23T22:37:14+08:00
2-(-1)=
negative x negative = positive
2+1=3
1 5 1
2014-07-23T23:45:32+08:00
2 - (-1)= 3
the opposite of -1 is +1
2 - (-1)= 2 + 1 + 3
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