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ESO4_S_Ecuacións (I parte)
  • 1.
  • 2.
  • 3.
  • 4. 15x2+2x-8=0
  • 5. x4-10x2+9=0
  • 6. 4x4-17x2+4=0
  • 7. x3-7x2-18x=0
  • 8.
  • 9.
  • 10.
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