Matematika

Pertanyaan

Tlong jawab No 1 abc
Tlong jawab No 1 abc

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2 Jawaban

  • 1.
    a.=(-20×2)+84
    =-20×2
    =(-40)+84
    =44
    b.=(63:-7)+(8×-5)
    =-9+-40
    =-49
    c.=(35:7)-(19×-12)
    =5-(-228)
    =5+228
    =233

  • a,((-20)×2)+84=-40+84=44
    B.((63:(-7))+((8×(-5)=-9+40=31

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