Ответ:
-8+3=-5
-8+(-2)=-10
-11+9=-2
-7+(-9)=-16
10+(-10)=0
-12+12=0
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Ответ:
-8+3=-5
-8+(-2)=-10
-11+9=-2
-7+(-9)=-16
10+(-10)=0
-12+12=0