Номер 596 пож

Номер 596 пож

  • 8
    _
    15

    2
    __
    15

    12
    __
    15
    ?
    __
    15

    70
    __
    27
    ?
    __
    27

  • 4/15 * 2=8/15 4/15:2= 4/15 * 1/2 = 2/15
    4/15 * 3=4/5 4/15 : 3 = 4/15 * 1/3 = 4/45
    10/21 * 7 = 10/3 = 3 1/3 10/21 : 7 = 10/21 * 1/7 = 10/147