1. 1.
    -5
    q

    a

    n

    d

    ı

    r

    d

    ı

    ı

    ı

    m

    x

    d

    x

    d

    x

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    z

    a

    a

    a

    a

    a

    a
    ···
  2. 2.
    0
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    ···