Kaykay93 Kaykay93
  • 01-03-2014
  • Mathematics
contestada

Can someone please help me ?

Can someone please help me class=

Respuesta :

crisforp
crisforp crisforp
  • 01-03-2014
a + b = 1013;
a - b = 9;
2a = 1022 => a = 511; b = 502;
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