(x-1)^3+(x-2)^3+(2x-3)^3 （x+1）^4+(x^2-1)^2+(x-1)^4 (x+y)^4+x^4+y^4 x^4+2x^3+4x^2+2x+3 x^3-3px^2+(3p^2-q^2)x-p(p^2-q^2) (xy+1)(x+1)(y+1)+xy (x^3+y^3)^2-4xy[x^4+x^2y^2+y^4-2xy(x^2-xy+y^2)] x^3(a+1)-xy(x-y)(a-b)+y^3(b+1) (ab+cd)(a^2-b^2+c^2-d^2)+(ac

来源：学生作业帮助网 编辑：作业帮 时间：2024/04/30 20:54:19
(x-1)^3+(x-2)^3+(2x-3)^3 （x+1）^4+(x^2-1)^2+(x-1)^4 (x+y)^4+x^4+y^4 x^4+2x^3+4x^2+2x+3 x^3-3px^2+(3p^2-q^2)x-p(p^2-q^2) (xy+1)(x+1)(y+1)+xy (x^3+y^3)^2-4xy[x^4+x^2y^2+y^4-2xy(x^2-xy+y^2)] x^3(a+1)-xy(x-y)(a-b)+y^3(b+1) (ab+cd)(a^2-b^2+c^2-d^2)+(ac

(x-1)^3+(x-2)^3+(2x-3)^3 （x+1）^4+(x^2-1)^2+(x-1)^4 (x+y)^4+x^4+y^4 x^4+2x^3+4x^2+2x+3 x^3-3px^2+(3p^2-q^2)x-p(p^2-q^2) (xy+1)(x+1)(y+1)+xy (x^3+y^3)^2-4xy[x^4+x^2y^2+y^4-2xy(x^2-xy+y^2)] x^3(a+1)-xy(x-y)(a-b)+y^3(b+1) (ab+cd)(a^2-b^2+c^2-d^2)+(ac
(x-1)^3+(x-2)^3+(2x-3)^3
（x+1）^4+(x^2-1)^2+(x-1)^4
(x+y)^4+x^4+y^4
x^4+2x^3+4x^2+2x+3
x^3-3px^2+(3p^2-q^2)x-p(p^2-q^2)
(xy+1)(x+1)(y+1)+xy
(x^3+y^3)^2-4xy[x^4+x^2y^2+y^4-2xy(x^2-xy+y^2)]
x^3(a+1)-xy(x-y)(a-b)+y^3(b+1)
(ab+cd)(a^2-b^2+c^2-d^2)+(ac+bd)(a^2+b^2-c^2-d^2)
xyz(x^3+y^3+z^3)-x^3y^3-y^3z^3-z^3x^3
已知x+y-2是多项式x^2+axy+by^2-5x+y+6的一个因式,求a、b的值并分解因式
分数我没有多少了,

(x-1)^3+(x-2)^3+(2x-3)^3 （x+1）^4+(x^2-1)^2+(x-1)^4 (x+y)^4+x^4+y^4 x^4+2x^3+4x^2+2x+3 x^3-3px^2+(3p^2-q^2)x-p(p^2-q^2) (xy+1)(x+1)(y+1)+xy (x^3+y^3)^2-4xy[x^4+x^2y^2+y^4-2xy(x^2-xy+y^2)] x^3(a+1)-xy(x-y)(a-b)+y^3(b+1) (ab+cd)(a^2-b^2+c^2-d^2)+(ac
问个问题,我30了,就知道我们念书那会念小学5-6年,初中3-4年,高中3年,大学3-4,7年级是啥概念啊?!
貌似这题目绝对是中学的,要是按初中4年算,留3次级才7年?

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