Jawabanmu

  • TWU
  • Gemar Membantu
2014-09-10T15:05:53+07:00
2014-09-10T15:12:05+07:00
3-17x+35z+4x+23y-9
samakan variabel:
3-9-17x+4x+35z+23y
-6-13x+35z+23z