计算 (x-y)^a×(x-y)^+(x-y)^a+1 ·(x-y)^b的结果为
来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/11 23:17:56
计算(x-y)^a×(x-y)^+(x-y)^a+1·(x-y)^b的结果为计算(x-y)^a×(x-y)^+(x-y)^a+1·(x-y)^b的结果为计算(x-y)^a×(x-y)^+(x-y)^a
计算 (x-y)^a×(x-y)^+(x-y)^a+1 ·(x-y)^b的结果为
计算 (x-y)^a×(x-y)^+(x-y)^a+1 ·(x-y)^b的结果为
计算 (x-y)^a×(x-y)^+(x-y)^a+1 ·(x-y)^b的结果为
=b/(a-3)(a^2-b) x平方 xy/x-y *xy/x-y =x(x y)/(x-y)*xy/(x-y) =x^2y(x y)/(x-y)^2 a平方-2a 1/a平方 4a 4 *a平方
计算(-x-y)(y-x)+(-x-y)(x+y),
A.(x+y)(x-y) B.(x-y)(-x-y) C.(-x+y)(x+y) D.(x+y)(-x-y)可以用完全平方公式计算的是?
计算 (x²/x+y)-x-y
行列式计算 x y x+y y x+y x x+y x y|x y x+y ||y x+y x ||x+y x y |
数学计算(x²-y²)(x+y)÷(x+y)²A.x-y B.x+y C.x²+y² D.x²-y²
计算2x/x-y
计算 x(x-3y)
1.计算(a^2+a+1)(a^2-a+1) 2.计算(x-y)(x+y)+(3x-2y)(2x+y)-x(6x-y)
计算:y-x分之x+y+x-y分之y-y-x分之2x-y
计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x
计算(-x-y)²
计算:(x+3y)(2x-y)
计算:(2x-3y)(x+y)
计算:(x+2y)(2x-y)
计算:(-x-2y) * (3x-y)
计算:(x+y)-3(x-2y).
计算:(x-y+9)(x+y-9)
计算(x+y-z)(x-y-z)