Matematika

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tolong dijawab dengan caranya ya..
Besok mau dikumpulkan
tolong dijawab dengan caranya ya.. Besok mau dikumpulkan

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2 Jawaban

  • 3a) - 7 + 5 = - 2
    b) - 3 - 10 = - 13
    c) 0 - 6 = - 6
    d) 5 - ¼ = (5/1 × 4/4) - ¼ = 20/4 - ¼ = 19/4 = 4 ¾
    e) - 4 + ¾ = (-4/1 × 4/4) + ¾ = - 16/4 + ¾ = -13/4 = - 3 ¼

    4)a) x + 6 = 17
    x = 17 - 6
    x = 11
    b) x - 10 = 0
    x = 10
    c) 4 + h = - 10
    h = - 10 - 4
    h = - 14
    d) - 8 + p = 12
    p = 12 + 8
    p = 20
    e) a - ½ = 3
    a = 3 + ½
    a = 3½

  • -7+5 = -2 ,

    -3-10 = -13 ,

    0-6= -6 ,

     5-1/4 = 20/4-1/4= 19/4 ,        (5 dikali 4/4 = 20/4 agar mnjdi pecahan)

    -4 +3/4 = -16/4 +3/4 = -13/4 ,

    untuk nmr 4

    a. x+6= 17

    x=17-6 = 11

    b. x-10= 0

    x=10

    c. 4+h = -10

    h=-10 -4 = -14

    d. -8+p= 12

    p=12+8 = 20

    e. a-1/2= 3

    a=3+1/2

    a=6/2+1/2

    a=7/2


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