帮个忙,计算题1.(x^2-6xy+9y^2)÷(x-3y) 2.4x^5y^3÷{x^4y^3÷[x^3y^2÷(x^3y^3÷2x^2y^2)]}
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帮个忙,计算题1.(x^2-6xy+9y^2)÷(x-3y)2.4x^5y^3÷{x^4y^3÷[x^3y^2÷(x^3y^3÷2x^2y^2)]}帮个忙,计算题1.(x^2-6xy+9y^2)÷(x
帮个忙,计算题1.(x^2-6xy+9y^2)÷(x-3y) 2.4x^5y^3÷{x^4y^3÷[x^3y^2÷(x^3y^3÷2x^2y^2)]}
帮个忙,计算题
1.(x^2-6xy+9y^2)÷(x-3y)
2.4x^5y^3÷{x^4y^3÷[x^3y^2÷(x^3y^3÷2x^2y^2)]}
帮个忙,计算题1.(x^2-6xy+9y^2)÷(x-3y) 2.4x^5y^3÷{x^4y^3÷[x^3y^2÷(x^3y^3÷2x^2y^2)]}
1.(x^2-6xy+9y^2)÷(x-3y)
=(x-3y)^2/(x-3y)
=x-3y
2.4x^5y^3÷{x^4y^3÷[x^3y^2÷(x^3y^3÷2x^2y^2)]}
=4x^5y^3÷{x^4y^3÷[x^3y^2÷(xy/2)]}
=4x^5y^3÷{x^4y^3÷(2x^2y)}
=8x^3*y
1.(x^2-6xy+9y^2)÷(x-3y)=(x-3y)^2÷(x-3y)=x-3y
2.4x^5y^3÷{x^4y^3÷[x^3y^2÷(x^3y^3÷2x^2y^2)]}
=4x^5y^3÷[x^4y^3÷(x^3y^2÷xy/2)]
=4x^5y^3÷(x^4y^3÷2x^2y)
=4x^5y^3÷(x^2y^2/2)
=8x^3y
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