1 4 4

:

  1. #1
      Eiman
    Jul 2011
    -
    14,750

    (al) (c )

    c=3 105km/s



    1 al=1 an x c
    1 al = 365x24x3600x3x105 km


    1 al = 9.46 1012 km



    :
    120 30
    4.22


    .......

  2. #2
      Noor
    Jul 2011
    857

    :

    thnx


  3. #3

    Jul 2011
    -
    1,260

    :


  4. #4

    Jul 2011
    -
    4,543

    :

    SARAH

: 1 (0 1 )