Rezultati pretraživanja
  1. 11. sij
    Odgovor korisniku/ci

    A 3D proof without words for the sum of the first odd numbers : 1+3+5+...+(2n-1)=n²

  2. 10. stu 2019.

    Here's a little exploration on the Cassini ovals made with . The orthogonality of these curves with equilateral hyperbolas seems interesting (both definitions set a product constant). BTW Cassini ovals are also "special" toric sections ()

  3. 9. sij
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  4. 7. sij

    Making a classical labyrinth in one fell swoop

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  5. prije 20 sati
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  6. 9. stu 2019.

    Loxodrome Spirals or rhumb lines (the curves you travel on the earth if you head in a constant direction with respect to North, South East and West)

  7. prije 16 sati
  8. 19. stu 2019.
  9. 25. stu 2019.

    Monday for those so inclined: ("Cuboctapath" early unpublished version!)

  10. 2. velj
  11. 2. velj
  12. 2. velj
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  13. 2. velj
  14. 1. velj

    Un en el que podemos visualizar la factorización numérica a partir de las agrupaciones que aparecen. vía con

  15. 30. sij

    circulares cesados sobre una circunferencia. Un a todo color de

  16. 29. sij
    Odgovor korisnicima

    Even better when you watch the wonderful full from the always inspiring

  17. 26. sij

    new gif. have figured out a way to speed and slow the slider. also duplicating lists so that can have different colours for fill and lines.

  18. 26. sij

    Una demostración visual de la identidad notable: "suma por diferencia". a²-b² = (a+b)(a-b) Enhorabuena por ella con todo ♥️ como el que aparece en la demostración visual.

  19. 25. sij
    Odgovor korisnicima

    Twitter has and pi.z.z.a

  20. 22. sij

    also: tiling the craziness but in triangles.

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