Matematika

Pertanyaan

1.7 x A x 4b x 5a=
2.-6 x (-3q) x 4pq x (-p) =
3m x 2kn x (-4mn) x 6 km= 4.8xz x 3y²z x (-4x²y)=
5.2p² x (-5qr) x 3pq² x (-8pr²) =
6.-6mx² x 2xy2 x (-4my) x (-5m²xy²) =

1 Jawaban

  • 1) 7 × a × 4b × 5a
    = 7a × 20ab
    = 140a²b

    2) - 6 × (-3q) × 4pq × (-p)
    = 18q × (-4p²q)
    = (-72p²q²)

    3) m × 2kn × (-4mn) × 6km
    = 2kmn × (-24km²n)
    = (-48k²m³n²)

    4) 8xz × 3y²z × (-4x²y)
    = 24xy²z × (-4x²y)
    = ( - 96x³y³z)

    5) 2p² × (-5qr) × 3pq² × (-8pr²)
    = ( - 10p²qr) × (-24p²q²r²)
    = 240p⁴q³r³

    6) (-6mx²) × 2xy² × (-4my) × (-5m²xy²)
    = (-12mx³y²) × 20m³xy³
    = (-240m⁴xy^5)

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