(+6)+(+3)=
(+2)+(-2)=
(-4)+(+4)=
Answers
Answered by
1
Answer:
= 9
= 0
= 0
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Answered by
1
Step-by-step explanation:
(+6)+(+3) = 6+3
= 9
(+2)+(-2) = 2-2
= 0
(-4)+(+4) = -4+4
= 0
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