计算:[(4x^3-1/2y)^2+4y(x^2-y/16)]/(8x^2)
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计算:[(4x^3-1/2y)^2+4y(x^2-y/16)]/(8x^2)
![计算:[(4x^3-1/2y)^2+4y(x^2-y/16)]/(8x^2)](/uploads/image/z/17653310-62-0.jpg?t=%E8%AE%A1%E7%AE%97%3A%5B%284x%5E3-1%2F2y%29%5E2%2B4y%28x%5E2-y%2F16%29%5D%2F%288x%5E2%29)
:[(4x^3-1/2y)^2+4y(x^2-y/16)]/(8x^2)
=(16x^6-4x^3y²+1/4y²+4x²y-1/4y²)/(8x²)
=2x^4-1/2xy²+1/2y
=(16x^6-4x^3y²+1/4y²+4x²y-1/4y²)/(8x²)
=2x^4-1/2xy²+1/2y
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