Matematika

Pertanyaan

tolong yaa pakai jalan kpk yg uji keterampilan 4 1-10 saja
tolong yaa pakai jalan kpk yg uji keterampilan 4 1-10 saja

1 Jawaban

  • 1. 5=5×1
    9=3×3
    KPK = 5 × 1 × 9 = 45

    2. 7=7×1
    15=3×5
    KPK = 7 × 3 × 5 = 21 × 5 = 105

    3. 9=3×3
    13=13×1
    KPK = 9 × 13 = 117

    4. 12=2×2×3
    15=3×5
    KPK = 4 × 3 × 5 = 12 × 5 = 60

    5. 20=2×2×5
    45=3×3×5
    KPK = 4 × 9 × 5 = 36 × 5 = 180

    6. 18=2×3×3
    24=2×2×2×3
    KPK = 8 × 9 =72

    7. 16=2×2×2×2
    20=2×2×5
    KPK = 16 × 5 = 80

    8. 45=3×3×5
    60=2×2×3×5
    KPK = 4 × 9 × 5 = 36 × 5 = 180
    9. 75=3×5×5
    80=2×2×2×2×5
    KPK = 16 × 3 × 25 = 400 × 3 = 1200

    10. 6=2×3
    10=2×5
    15=3×5
    KPK = 2 × 3 × 5 = 6 × 5 = 30