(-2xy^2)^2·3x^2·y÷(-x^3y^4)
1个回答
(-2xy^2)^2·3x^2·y÷(-x^3y^4)
=4x²y^4×3x²y÷(-x³y^4)
=12x^4y^5÷(-x³y^4)
=-12xy
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