4y^4-4x^3+0.2x^2y^2+xy^3-1/5x^2y^2-4y^4-x^3y,其中x=-2,y=0.3.
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/11 18:43:49
![4y^4-4x^3+0.2x^2y^2+xy^3-1/5x^2y^2-4y^4-x^3y,其中x=-2,y=0.3.](/uploads/image/z/998568-0-8.jpg?t=4y%5E4-4x%5E3%2B0.2x%5E2y%5E2%2Bxy%5E3-1%2F5x%5E2y%5E2-4y%5E4-x%5E3y%2C%E5%85%B6%E4%B8%ADx%3D-2%2Cy%3D0.3.)
x)33536333Ү357puJ**un{cmNMR>F`
`5Ȃkie@@
B`D TDF 1/ #lN
4y^4-4x^3+0.2x^2y^2+xy^3-1/5x^2y^2-4y^4-x^3y,其中x=-2,y=0.3.
4y^4-4x^3+0.2x^2y^2+xy^3-1/5x^2y^2-4y^4-x^3y,其中x=-2,y=0.3.
4y^4-4x^3+0.2x^2y^2+xy^3-1/5x^2y^2-4y^4-x^3y,其中x=-2,y=0.3.
4y^4-4x^3+0.2x^2y^2+xy^3-1/5x^2y^2-4y^4-x^3y
=-4x^3+xy^3-x^3y
=-4×(-2)^3+(-2)×0.3^3-(-2)^3×0.3
=32-0.054+2.4
=34.346