作业帮帮个忙,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)]}](/uploads/image/z/7032756-12-6.jpg?t=%E5%B8%AE%E4%B8%AA%E5%BF%99%2C%E8%AE%A1%E7%AE%97%E9%A2%981.%EF%BC%88x%5E2-6xy%2B9y%5E2%EF%BC%89%C3%B7%28x-3y%29+2.4x%5E5y%5E3%C3%B7%7Bx%5E4y%5E3%C3%B7%5Bx%5E3y%5E2%C3%B7%28x%5E3y%5E3%C3%B72x%5E2y%5E2%29%5D%7D)
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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-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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