(x-y)·2(x-y)²·3(x-y)³ 计算
(x-y)·2(x-y)²·3(x-y)³ 计算
计算:[(x+y/x-y)^2·(2y-2x/3x+3y)]-[(x^2/x^2-y^2)/(x/y)]
计算:(-x-2y) * (3x-y)
计算(x+y)(x+y)^2(-x-y)^3
计算:x²-y²/x·-x²/(x-y)²;8y²y³·(-
计算:8x/3y·(-3y/2x²)³.
x·(9x³y-3xy²)÷(﹣3x²y) 计算
有这样一道题:"计算(2*x*x*x-3*x*x*y-2*x*y*y)-(x*x*x-2*x*y*y+y*y*y)+【-
(3x²y)³·(-4x)计算
计算:①-x·(y-x)³·(x-y)的四次方 ②(x-y)²·(y-x)³·(x-y)的
计算:2(x²y³)³-(x³y²)²·y的5次方-(x
计算3x[xy-2x(1/y-x/3]+3y(x²-y²)