(12x^2y-8xy^2+16xy)/-3x+2y-4=?
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(12x^2y-8xy^2+16xy)/-3x+2y-4=?(12x^2y-8xy^2+16xy)/-3x+2y-4=?(12x^2y-8xy^2+16xy)/-3x+2y-4=?(12x^2y-8x
(12x^2y-8xy^2+16xy)/-3x+2y-4=?
(12x^2y-8xy^2+16xy)/-3x+2y-4=?
(12x^2y-8xy^2+16xy)/-3x+2y-4=?
(12x^2y-8xy^2+16xy)/(-3x+2y-4)=-4xy
(12x^2y-8xy^2+16xy)/-3x+2y-4=?
(12x^2y-8xy^2+16xy)/-3x+2y-4=?
xy-2x+6y-12 xy+8
(X-3xy+4xy-y)-[-2x-2(xy-3/2xy)-y]+6xy的过程
已知x-xy=20 xy-y=12,则x-y=( ),x+y-2xy=( ).
计算:3xy(x²y-xy²+xy)-xy²(2x-xy+2x)
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(2X-Y)²+8XY
(xy-x²)÷(x²-2xy+y²/xy)×(x-y/x²)
x-y/x²÷x²-2xy+y²/xy*(xy-x²)
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(-4x(2xy+3xy^2)+12(x^2y)^2y^3)÷(-6xy)
[-xy^2(2x+y)-8xy)-x^2y)]除以2xy=计算