计算:(1)(-x²/y)·(-y²/x)³÷(-y/x)的4次方;
计算:(1)(-x²/y)·(-y²/x)³÷(-y/x)的4次方;
计算:(x-y)的5次方(x-y)²(x-y)³
计算:2(x²y³)³-(x³y²)²·y的5次方-(x
计算(3x的4次方y+6x³y-3x²y)÷(3x²y)的结果是?
计算 [12(x+y)³(y-x)]³÷[4(x+y)²(x-y)]²
计算4(x+y)^5(x-y)^4÷[2(x+y)³*(y-x)²]
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(X+Y)×(X-Y)的平方×(Y-X)的立方×(-X-Y)的4次方
先化简,再求值:(3x²y-2)×y-(9x的4次方y³-15x²y²)÷(3x
已知a(x的m次方y的4次方)³÷(3x²y的n次方)²=4x²y²,
【计算】(-2x²y)²÷(2x的5次方y)(-xy²)³
因式分解:x的5次方-2x³y²+x*y的4次方