Matematika

Pertanyaan

tolong jwb y no 35,36,38,39,40. mksh
tolong jwb y no 35,36,38,39,40. mksh

2 Jawaban

  • 35. Langkah 1 =
    (-13×8) + (-13×(-5)) = -104 + 65 = -39
    (7×8) + (7×(-5)) = 56 + -35 = 21
    Langkah 2 =
    -39 + 21 = -18

    36. B. (-15) : 3 = 5 karena 5 dikali 3 sama dengan 15 bukan (-15)

    38. (k×(-3)) ÷ (2×(-3)) = -15
    -3k ÷ (-6) = -15
    -3k = -15×(-6)
    -3k = 30
    k = 30÷(-3) = (-10)

    39. D. ii dan iii

    40. soalnya kurang jelas

    Maaf kalau salah
  • 35. (-13)(8+(-5))+7(8+(-5))
    = -104+65+56-35
    = 65+56 = 121
    = -104-35 = -139
    = -139+121 = -18

    36. B. (-15)÷(3) = 5

    38. (K÷2)×-3=-15
    K = 10. Jd jwban nya A. 10

    39. D. (ii) dan (iii)

    40. (18÷P)÷-9=-1
    P = 2. Jd jwban nya A. 2


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