(-2xy^2)^2·3x^2·y÷(-x^3y^4)
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(-2xy^2)^2·3x^2·y÷(-x^3y^4)
![(-2xy^2)^2·3x^2·y÷(-x^3y^4)](/uploads/image/z/18586735-7-5.jpg?t=%28-2xy%5E2%29%5E2%C2%B73x%5E2%C2%B7y%C3%B7%EF%BC%88-x%5E3y%5E4%EF%BC%89)
(-2xy^2)^2·3x^2·y÷(-x^3y^4)
=4x²y^4×3x²y÷(-x³y^4)
=12x^4y^5÷(-x³y^4)
=-12xy
=4x²y^4×3x²y÷(-x³y^4)
=12x^4y^5÷(-x³y^4)
=-12xy
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