Matematika

Pertanyaan

gunakan sifat distributif 1.-6x(7+10) =
2. 5x(-8-(-2) =
3. -5x(2-8) =

2 Jawaban

  • 1. (-6x × 7)+(-6x × 10)=(-42)+(-60)=(-102)
    2. (5x × -8)-(5x × -2) =(-40)-(-10) =(-40)+10=(-30)
    3. (-5x × 2)-(-5x × 8) =(-10)-(-40) =(-10)+40=30
  • 1.(-6x7)+(-6x10)
    :-42. +(-60)
    :-102
    2.(5x-8)-(5x-2)
    :-40. -(-10)
    :-30
    3.(-5x2)-(-5x8)
    :-10. -(-40)
    :30

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