Respuesta:
1) 7 +( -5 )= 2
2) -2 +( -6) = -8
3)4 - (-3) = 7
4)-1-(-4) = 3
5) 6 + (-7)=-1
6) -9-(+11) = 20
listo espero y te ayude
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Respuesta:
1) 7 +( -5 )= 2
2) -2 +( -6) = -8
3)4 - (-3) = 7
4)-1-(-4) = 3
5) 6 + (-7)=-1
6) -9-(+11) = 20
listo espero y te ayude