4(x+y)^-16(a-b)^
4(x+y)^-16(a-b)^
已知集合A={(x,y)| (y-3)/ (x-1)=2,x,y∈R},B={(x,y)| 4x+ay=16,x,y∈
(2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y)
因式分解 25x²-16y²(a-b)(x-y)-(b-a)(x+y)a²-4ab+4b²4+12(x-y)+9(x-y
已知集合A={(x,y)/(y-2)÷(x-1)=a+2},B={(x,y)/(a^2-4)x+(a-2)=16},若对
几道因式分解..4ab(a+b)^2-6a^2b(a+b)(x+y)^2(x-y)+(x+y)(x-y)^22a(a-3
分解因式1.2a(x-y)-3b(y-x)2.-x^y-2xy+35y3.a^(x-y)-4b^(x-y)若|a+2|+
因式分解:x^2y^2-4x a(a-b)-2b(b-a)
A.A+(4X+3Y)B.A+(4X+6Y) C.A+2(
4a[x-y]的平方-2b【Y--X】的平方+[y-X]求过程
1、(a-b)(x-y)-(b-a)(x+y)
(a+b)(x+y)-(a+b)(x-y)分解因式