计算3x^4-6x^3+9x^2÷(-3x)
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计算3x^4-6x^3+9x^2÷(-3x)计算3x^4-6x^3+9x^2÷(-3x)计算3x^4-6x^3+9x^2÷(-3x)3x^4-6x^3+9x^2÷(-3x)=3x^4-6x^3-3x
计算3x^4-6x^3+9x^2÷(-3x)
计算3x^4-6x^3+9x^2÷(-3x)
计算3x^4-6x^3+9x^2÷(-3x)
3x^4-6x^3+9x^2÷(-3x)
=3x^4-6x^3-3x
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