Matematika

Pertanyaan

Soal mtk bsok dikumpul
Soal mtk bsok dikumpul

1 Jawaban

  • 1)
    0,75 + 2/3 × 8
    = 75/100 + 16/3
    = 3/4 + 16/3
    = 9/12 + 64/12
    = 73/12
    = 6 1/12

    2)
    0,6 + 1/2 : (2/3 - 0,25) × 1 4/5
    = 6/10 + 1/2 : (2/3 - 25/100) × 9/5
    = 3/5 + 1/2 : (2/3 - 1/4) × 9/5
    = 3/5 + 1/2 : (8/12 - 3/12) × 9/5
    = 3/5 + 1/2 : 5/12 × 9/5
    = 3/5 + 1/2 × 12/5 × 9/5
    = 3/5 + 54/25
    = 15/25 + 54/25
    = 69/25
    = 2 19/25

    3)
    120 × 2 2/3
    = 120 × 8/3
    = 320

    4)
    2% , 3/12 , 0,83 , 6/9 , 44%
    0,02 , 0,25 , 0,83 , 0,67 , 0,44

    urutan dari yang terkecil menjadi :
    2% , 3/12 , 44% , 6/9 , 0,83