Matematika

Pertanyaan

-3+[ 7 + (-1 × 3 ) ] + 7 - 20

2 Jawaban

  • -3+[7+(-1×3)]+7-20
    -3+[7+(-3)]+7-20
    -3+[7-3]+7-20
    -3+[4]+7-20
    -3+4+7-20
    1+7-20
    8-20
    -12
  • = -3+[ 7 + (-1 × 3 ) ] + 7 - 20
    = -3+[ 7 + (- 3) ] + 7 - 20
    = -3+[ 4 ] + 7 - 20
    = 1 + 7 - 20
    = 8 - 20
    = -12


    Semoga terbantu..;)

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