化简:【-4x(x+3xy)-16(x²y)²乘y】÷(4x²)
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化简:【-4x(x+3xy)-16(x²y)²乘y】÷(4x²)
【-4x(x+3xy)-16(x²y)²乘y】÷(4x²)
=【-4x²-12x²y-16(x4方y²)乘y】÷(4x²)
=(-4x²-12x²y-16x4方y³)÷(4x²)
=-1-3y-4x²y³
=【-4x²-12x²y-16(x4方y²)乘y】÷(4x²)
=(-4x²-12x²y-16x4方y³)÷(4x²)
=-1-3y-4x²y³
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