Question

(2x^3y)^2×(-2xy)+(-2x^3y)^3÷(2x^2)

Answer 1

原式

=(2x^3y)^2×(-2xy)+(-2x^3y)^3÷(2x^2)
=(4x^6y^2)×(-2xy)+(-8x^9y^3)÷(2x^2)
=-8x^7y^3-4x^7y^3
=-12x^7y^3

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Answer 2

=4x^6y^2×(-2xy) -8x^9y^3÷2x^2
=-8x^7y^3-4x^7y^3
=-12x^7y^3

Answer 3

(2x^3y)^2×(-2xy)+(-2x^3y)^3÷(2x^2)
=(4x^6y²)×(-2xy)+(-8x^9y³)÷(2x²)
=-8x^7y³-4x^7y³
=-12x^7y³