先化简,再求值:3x³y²(-3xy³)-(-x²y³)(-x²y²),其中x=2,y=3
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![先化简,再求值:3x³y²(-3xy³)-(-x²y³)(-x²y²),其中x=2,y=3](/uploads/image/z/264122-26-2.jpg?t=%E5%85%88%E5%8C%96%E7%AE%80%2C%E5%86%8D%E6%B1%82%E5%80%BC%3A3x%26%23179%3By%26%23178%3B%28-3xy%26%23179%3B%29-%28-x%26%23178%3By%26%23179%3B%29%28-x%26%23178%3By%26%23178%3B%29%2C%E5%85%B6%E4%B8%ADx%3D2%2Cy%3D3)
先化简,再求值:3x³y²(-3xy³)-(-x²y³)(-x²y²),其中x=2,y=3
先化简,再求值:3x³y²(-3xy³)-(-x²y³)(-x²y²),其中x=2,y=3
先化简,再求值:3x³y²(-3xy³)-(-x²y³)(-x²y²),其中x=2,y=3
3x³y²(-3xy³)-(-x²y³)(-x²y²),
=-9x^4y^5-x^4y^5
=-10x^4y^5
=-10*2^4*3^5
=-38880