gianinacotfas74 gianinacotfas74
  • 14-10-2018
  • Mathematics
contestada

13r+5s-2r=
(3a-b)+2a=
12+9x-6x-19=

Respuesta :

615Ken
615Ken 615Ken
  • 14-10-2018
1.11r - 5s
2.5a - b
3.-7 + 3x 
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