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    Показательные уравнения

    ЕленаКМ
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    Показательные уравнения
    5^(2х – 12) = 1
    6
    2^(х - 3) = 64
    9
    7^(х – 1) = 343
    4
    3^(х – 5) = 81
    9
    4^(х+5) = 64
    -2
    0,3^(2 – х) = 0,09
    0
    3^х – 3^(х + 3) = – 78
    1
    5^(х+2) – 5^х = 600
    2
    0,4^(х + 1) = 0,064
    2
    2 • 2^(2х) – 5• 2^х + 2 = 0
    1; -1