Matematika

Pertanyaan

tolong di jawab pakai caranya
1. 8kali (-5) kali 3
2. -63:(-7)kali4
3. -3kali(-9)kali(-5)
4. -50+42:6-(-30)
5. 45-(-15)+(+12)kali15
6. 17kali(-13)-(-75):5
7. -70:5+(-17)kali(-13)
8. 120+(-75)-60

1 Jawaban

  • 1.8×(-5) =-40
    (-40)×3= -120
    2.(-63): (-7) =9
    9×4 = 36
    3.-3×(-9)= -27
    -27×(-5)= 135
    4. 42:6=7
    -50+7-(-30) = -73
    5.45+15=60
    12×15 = 180
    60+180=240

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