数学计算填空(5x+y)(5x-y)(5x+y)(-5x+y)(5x+y)(-5x-y)(5x+y)(x-5y)(x ^

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数学计算填空
(5x+y)(5x-y)
(5x+y)(-5x+y)
(5x+y)(-5x-y)
(5x+y)(x-5y)
(x ^m+y ^n) （y ^n- x^ m)
(x ^m+2y-3x^3)²
(x-2y）(______)=4y²-x²
(__________)²=m²-2m+1（只需要写一个代数式）
(__________+3)²=4x²+(_______)(每格内只需要填一个代数式)
(x+y)(x²-y²)(x-y)
(1-a)²（1+a）²(1+a²)²
全部算出来了我会给分的
做出来了我就可以当上第一批入团队员了！

1.25x²-y²
2.-25x²+y²
3.-(25x²+10xy+y²)
4.5x²-24xy-5y²
5.y^2n-x^2m
6.x^2m+4x^my+4y^2-6x^(m+3)-6x^3y+9x^6
7.(-x-4y)
8.(m-1)
9.2x,12x+9
10.(x²-y²)^2
11.(1+a²)^4

数学计算填空(5x+y)(5x-y)(5x+y)(-5x+y)(5x+y)(-5x-y)(5x+y)(x-5y)(x ^ 数学(x-y)^5*(y-x)^3*(x-y)^2 x+y=5; x^y+y^x=17 (y-x)(x-y)^3(y-x)^5怎么算 (5)a(x+y)-b(x+y)-x-y 计算(x+y)(x-y)(x+y)3次方(x-y)5次方已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y) 计算(x^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2) （X+2Y)(5X-2Y) (2X-3y)-(5x-y) (x+y)²+4(x+y)-5 1) (2x+5y)(2x-5y)(-4x^2-25y^2) 2) [（x+y)(x-y)-(x-y)^2+2y(x-y