(-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=(-3x²y³z) * x³x^4y² ÷ 9x⁴y^5
=-1/3x^(2+3+4-4)y^(3+2-5)z
=-1/3x^5z