(-3x²y³z) * x³(x²y)² ÷ 9x⁴y五次方
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(-3x²y³z)*x³(x²y)²÷9x⁴y五次方(-3x²y³z)*x³(x²y)²
(-3x²y³z) * x³(x²y)² ÷ 9x⁴y五次方
(-3x²y³z) * x³(x²y)² ÷ 9x⁴y五次方
(-3x²y³z) * x³(x²y)² ÷ 9x⁴y五次方
原式=-3x^5y³z*x^4y²÷9x^4y^5
=-3x^9y^5z÷9x^4y^5
=-x^5z/3
-xy^6z/3