(xy)²

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(xy)²
3xy-4xy-(-2xy)

3xy-4xy-(-2xy)3xy-4xy-(-2xy)3xy-4xy-(-2xy)提公因式xy,用结合律求3xy-4xy-(-2xy)=(3-4+2)xy=xy3xy-4xy-(-2xy)=3xy-4xy+2xy=xy3xy-4xy-(-

3xy-4xy-(-2xy)

3xy-4xy-(-2xy)3xy-4xy-(-2xy)3xy-4xy-(-2xy)等于xy

(-4xy^3)×(-xy)+(-3xy^2)^2

(-4xy^3)×(-xy)+(-3xy^2)^2(-4xy^3)×(-xy)+(-3xy^2)^2(-4xy^3)×(-xy)+(-3xy^2)^2(-4xy^3)×(-xy)+(-3xy^2)^2=4x^2y^4-3x^2y^4=x^2

计算:3xy-4xy-(-2xy)要过程

计算:3xy-4xy-(-2xy)要过程计算:3xy-4xy-(-2xy)要过程计算:3xy-4xy-(-2xy)要过程3xy-4xy+2xy=-xy+2xy=xy这怎么给过程,就是等于xy这道题过程没法写...等于3XY-4XY+2XY等

(1)3xy-4xy-(-2xy)

(1)3xy-4xy-(-2xy)(1)3xy-4xy-(-2xy)(1)3xy-4xy-(-2xy)(1)3xy-4xy-(-2xy)=3xy-4xy+2xy=xy希望能够帮到你.

(3xy²)*(-2xy)

(3xy²)*(-2xy)(3xy²)*(-2xy)(3xy²)*(-2xy)(3xy²)*(-2xy)=-6x²y³-6x^2y^3

-x(xy² xy-1)

-x(xy²xy-1)-x(xy²xy-1)-x(xy²xy-1)-x(xy²+xy-1)=-x²y²-x²y+x

(-½xy)³

(-½xy)³(-½xy)³(-½xy)³原式=-八分之一x³y³

先去括号,再合并同类项: -3xy+(2xy+3xy-2xy)

先去括号,再合并同类项:-3xy+(2xy+3xy-2xy)先去括号,再合并同类项:-3xy+(2xy+3xy-2xy)先去括号,再合并同类项:-3xy+(2xy+3xy-2xy)考试还是什么

整式乘法..1.3xy(x²y-xy²+xy)-xy²(2x²

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xy

xyxyxyxy

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计算:3xy(x²y-xy²+xy)-xy²(2x-xy+2x)

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计算;(-2xy)(3xy²)=( )

计算;(-2xy)(3xy²)=()计算;(-2xy)(3xy²)=()计算;(-2xy)(3xy²)=()(-2xy)(3xy²)=(-6x²y³)很高兴为您解答,【the190

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(-2xy)平方•(-3xy平方)立方

(-2xy)平方•(-3xy平方)立方(-2xy)平方•(-3xy平方)立方(-2xy)平方•(-3xy平方)立方解(-2xy)平方•(-3xy平方)立方=(4x^2y^2)×(-27x^3y

(xy²)÷(-3xy)得多少

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