当x=-2007,y=2008时,求多项式7x^3-6x^3y+3x^3+6x^3y-3x^2y-10的值怎么算,最好在今晚回答!
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![当x=-2007,y=2008时,求多项式7x^3-6x^3y+3x^3+6x^3y-3x^2y-10的值怎么算,最好在今晚回答!](/uploads/image/z/990180-36-0.jpg?t=%E5%BD%93x%3D-2007%2Cy%3D2008%E6%97%B6%2C%E6%B1%82%E5%A4%9A%E9%A1%B9%E5%BC%8F7x%5E3-6x%5E3y%2B3x%5E3%2B6x%5E3y-3x%5E2y-10%E7%9A%84%E5%80%BC%E6%80%8E%E4%B9%88%E7%AE%97%2C%E6%9C%80%E5%A5%BD%E5%9C%A8%E4%BB%8A%E6%99%9A%E5%9B%9E%E7%AD%94%21)
当x=-2007,y=2008时,求多项式7x^3-6x^3y+3x^3+6x^3y-3x^2y-10的值怎么算,最好在今晚回答!
当x=-2007,y=2008时,求多项式7x^3-6x^3y+3x^3+6x^3y-3x^2y-10的值
怎么算,最好在今晚回答!
当x=-2007,y=2008时,求多项式7x^3-6x^3y+3x^3+6x^3y-3x^2y-10的值怎么算,最好在今晚回答!
7x^3-6x^3y+3x^3+6x^3y-3x^2y-10
=10x^3-3x^2y-10
当x=-2007,y=2008时
原式=10(-2007)^3-3(-2007^2(2008)-10
=56577976244