作业帮(-3x²y²z)÷9x四次方·y的五次方·x³(x²y)²
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(-3x²y²z)÷9x四次方·y的五次方·x³(x²y)²
(-3x²y²z)÷9x四次方·y的五次方·x³(x²y)²
(-3x²y²z)÷9x四次方·y的五次方·x³(x²y)²
(-3x^2y^2z)÷9x^4*y^5*x^3(x^2y)^2
=-3x^2y^2z*x^3x^4y^2/9x^4y^5
=-3x^9y^4z/9x^4y^5
=-x^5z/3y