计算:(2x^3y)^2×(-2xy)+(-2x^3y)^3÷(2x^2)
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计算:(2x^3y)^2×(-2xy)+(-2x^3y)^3÷(2x^2)
计算:(2x^3y)^2×(-2xy)+(-2x^3y)^3÷(2x^2)
计算:(2x^3y)^2×(-2xy)+(-2x^3y)^3÷(2x^2)
:(2x^3y)^2×(-2xy)+(-2x^3y)^3÷(2x^2)
=4x^6y^2×(-2xy)+(-8x^9y^3)÷(2x^2)
=-8x^7y^3-4x^7y3
=-12x^7y3
^是什么意思?
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