八年级分式的乘除法(x²-4y²)/(x²+6xy+9y²)÷(2y²
八年级分式的乘除法(x²-4y²)/(x²+6xy+9y²)÷(2y²
分式除法(2y-x)÷x²-4xy+4y²/x+3xy要过程
分式计算:(x²+2xy+y²)/(x²y+xy)*y/(x+y)
分式(x²-y²\xy)-(xy-y²\xy-x²)可化简为
计算:(xy-x²)乘 x-y分之xy
整式的除法 (4x²y+2xy²)/2x*y
分式的乘除法计算::x²-4y²/x²+2xy+y²÷x+2y/x²+
分式计算2x/(5x-3)除3/(25x²-9)乘x/(5x+3) 通分x-y/(2x+2y)与xy/(x+y
已知x-5y=0,求分式x²-2xy+y²/3x+y × (y-x)的值
x-y/x²÷x²-2xy+y²/xy*(xy-x²)
x+2y=0(x≠0),求分式x²-xy分之2xy+y²
化成最简分式(1)2xy-4/x²y²+3xy-10 (2)2x²+xy-6y²