数学分式计算题:(x^2-4y^2)/x^2+2xy+y^2÷x+2y/2x^2+2xy.
数学分式计算题:(x^2-4y^2)/x^2+2xy+y^2÷x+2y/2x^2+2xy.
数学计算题(0.3x³+x²y-2xy²)-(0.5x³-2x²y+1
一道初二分式计算题(2X+Z-Y)/(X^2-XY+XZ-YZ)-(2X+Y+Z)/(X^2+XY+XZ+YZ)
(2×y+x²-y²)-(x²-y²-3xy) 计算题,
(xy-x^2)乘以(xy)/(x-y)
一道计算题:(2x^3y^2-3x^2y+4xy^3)/(-2x)/(-y)
计算题(-3x^2y^2+6x^2y^2-1/3xy)÷(-1/3xy)
计算题:(-3x^2y^3+6x^2y^2-1/3xy)÷(-1/3xy)
初中数学分式已知x/y=2,求(x*x-xy+3y*y)/x*x+xy+6y*y的值
(x^2+xy/x-y)/(xy/x-y)计算
(x^2-xy)y÷y-x/xy怎么做?
化简分式方程:x*x-xy-y*y/x*x-3x-6y+2xy