hahdbeh38 hahdbeh38
  • 20-11-2017
  • Mathematics
contestada

please help!!!!! I don't know

please help I dont know class=

Respuesta :

kareenadeah kareenadeah
  • 20-11-2017
I think the answer is B

1+-2 = -1
-4+6=2
3+-2=1
5+4=9

-1 2
1 9
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