原式=16x²y²z²(xz-3x²y-6z²)
因式分解16x^3y^2z^3-48x^4y^3z^2-96x^2y^2z^4
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相关问题
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4x-3y-z=16,2x+2y+3z=8,x+4y+5z=3
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4x-3y-z=16,2x+2y+3z=8,x=4y=5z=3的解
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x/2=y/4=z/5 3x+4y+2z=16
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{2x+3y-z=-16;x/3=x/4=z/2}
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已知x+y+z=1 x2+y2+z2=2 x3+y3+z3=3 求x4+y4+z4=?