Berreketen propietateak 1
  • 1. 68 65=6x
  • 2. (-20)4/(10)4=(-2)x
  • 3. 23 20=2x
  • 4. (-500)6/(-100)6=5x
  • 5. 99 98=9x
  • 6. 453 457=45x
  • 7. 310 35=3x
  • 8. ((-4)4)2=(-4)x
  • 9. 22 52=10x
  • 10. (-1000)2(-1000)1=(-1000)x
  • 11. 87 / 84=8x
  • 12. 49 / 47=4x
  • 13. 215 715=14x
  • 14. 55 / 53=5x
  • 15. 276 / 36=9x
  • 16. ((-9)3)5=(-9)x
  • 17. 254 / 54=5x
  • 18. 610 / 64=6x
  • 19. 428 / 425=42x
  • 20. (33)3=3x
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