angelicarose
angelicarose
07-09-2018
Mathematics
contestada
Can somebody Help me please?!
Respuesta :
laceherup23
laceherup23
07-09-2018
The first one because if you add all the positives you get 4 and then if you add all the negatives you get 7 so then you do 4+(-7)= -3
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