Matematika

Pertanyaan

180:5×6(1-5)=...
tolongin dong semuanya dijawab
a.3/6+4/7-1/6
b.(3/4)kuwadrat-(2/3)kuwadrat-(1/4)kuwadrat

jik p=4,g=3,dan r=-2
a.p kuwadrat-gr
b.2p kuwadrat-2gkuwadrat

1 Jawaban

  • 180:5×6(1-5) =
    36×6(-4) =
    216(-4) = -864

    a)
    3/6+4/7-1/6 =
    3/6-1/6+4/7 =
    2/6+4/7 =
    1/3+4/7 =
    7/21+12/21 = 19/21

    b)
    (3/4)² - (2/3)² - (1/4)² =
    9/16 - 4/9 - 1/16 =
    9/16 - 1/16 - 4/9 =
    8/16 - 4/9 =
    1/2 - 4/9 =
    9/18 - 8/18 = 1/18


    p = 4
    g = 3
    r = -2

    a)
    p² - gr =
    4² - (3)(-2) =
    16 - (-6) =
    16 + 6 = 22

    b)
    2p² - 2g² =
    2(4²) - 2(3²) =
    2(16) - 2(9) =
    32 - 18 = 14

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