2a+(x-y)-2(a+b)-(x+y)合并同类项

通分 a/(y-x)^2,b/(x-y)(x+y) 因式分解a(x-y)+b(y-x)+(2x-y) (x+y)(a-2b) a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式 (2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y) 因式分解：a(x-y)^2+b(y-x)^3 4(x-y)^2+8(y-x)(x+y)1.a(x-y)^2+b(y-x)^3 2.4(x-y)^2+8(y-x)(x+y) (a-b)(a^2+b^2)(a+b)[(x-y)^2-(x-y)(x+y)]/(2y) 因式分解 a^2(x-y)+b^2(y-x) a(x-3)(y-2)+b(3-x)(2-y) a³2（x+y)-b²(x+y) 因式分解 因式分解：2a(x-y)-3b(y-x) 分解因式 3a(x+y)-2b(x+y) 因式分解:4a(x-y)-2b(x-y) 因式分解:10a(x-y)^2-5b(y-x) 分解因式:a(y-x)-2b(x-y) 4a(x-y)-2b(y-x) a^2b(x-y)-ab(y-x) 4a(x-y)-2b(y-x)