Respuesta :

moli61
Answer: 6-9
The only one with a different answer is 6-9.
9+(-6)=3
-6-(-9)=3 (the minus sign in-front of the parentheses becomes a plus since there are two negative signs, one is -9 the other is the -)
9-6=3
And the only different one would be
6-9=-3

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