Answer:
dont know if its rigth but none
Explanation:
1.
-2+2·6=12
-2+12=12
10=12 false
2.
-2+2·(-6)=12
-2+(-12)=12
-2-12=12
-14=12 false
3.
2+2·(-6)=12
2+(-12)=12
2-12=12
-10=12 false
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