(-1/2x^2y)^3+(1/4x^2y)^2×(-x^2y)

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(-1/2x^2y)^3+(1/4x^2y)^2×(-x^2y)
(-1/2x^2y)^3+(1/4x^2y)^2×(-x^2y)

(-1/2x^2y)^3+(1/4x^2y)^2×(-x^2y)
(-1/2x^2y)^3+(1/4x^2y)^2×(-x^2y)
=-1/8x^6y³+1/16X^4Y²×(-x^2y)
=-1/8x^6y³-1/16X^6Y³
=-3/16X^6Y³