Simplify: 2+1 ) +1-2).
Answers
Answered by
2
Answer:
(2+1)+(1+2)
(3)+(-1)
=2
Answered by
0
Answer:
2
Step-by-step explanation:
rule:(+) (-) = (-)
so according to the rule, +1 -2= -1
3-1
=2
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