(3xy)³*(-2/3x²y)+3x(x²y²)²-(-x的四次方-3)*xy的四次方其中x=-1yy=2
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![(3xy)³*(-2/3x²y)+3x(x²y²)²-(-x的四次方-3)*xy的四次方其中x=-1yy=2](/uploads/image/z/1114337-65-7.jpg?t=%283xy%29%26%23179%3B%2A%28-2%2F3x%26%23178%3By%29%2B3x%28x%26%23178%3By%26%23178%3B%29%26%23178%3B-%28-x%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9-3%29%2Axy%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9%E5%85%B6%E4%B8%ADx%3D-1yy%3D2)
(3xy)³*(-2/3x²y)+3x(x²y²)²-(-x的四次方-3)*xy的四次方其中x=-1yy=2
(3xy)³*(-2/3x²y)+3x(x²y²)²-(-x的四次方-3)*xy的四次方其中x=-1y
y=2
(3xy)³*(-2/3x²y)+3x(x²y²)²-(-x的四次方-3)*xy的四次方其中x=-1yy=2
(3xy)³*(-2/3x²y)+3x(x²y²)²-(-x的四次方-3)*xy的四次方其中x=-1y y=2
=27x³y³×(-2x²y/3)+3xx^4y^4+x^5y^4+3xy^4
=-18x^5y^4+3x^5y^4+x^5y^4+3xy^4
=-14x^5y^4+3xy^4
=-14×(-1)×16+3×(-1)×16
=11×16
=176;
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