Matematika

Pertanyaan

1.128 + 72 - 8 × 12 ÷ 4 :
2.(43 × 14) - (5.453 ÷ 19) + 17 :
3.425 × (-12) - 40 ÷ 5 :
4.-600 × 15 -1.800 ÷ (-30) :
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2 Jawaban

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    Gambar lampiran jawaban RASYAAVISA
  • 1). 128 + 72 - 8 x 12 : 4
    = (128 + 72) - 8 x (12 : 4)
    = (200 - 8) x 3
    = 192 x 3
    = 576
    2). (43 x 13) - (5.453 : 19) + 17
    = 559 - 287 + 17
    = 272 + 17
    = 289
    3). 425 x (-12) - 40 : 5
    = 425 x (-12) - 8
    = 425 x (-20)
    = -8.500
    4). -600 x 15 - 1.800 : -30
    = (-600 x 15) - (1.800 : -30)
    = -9.000 - (-60)
    = -9.000 + 60
    = -8.940

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