(xy)²
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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)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=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)=3xy-4xy+2xy=xy希望能够帮到你.
(3xy²)*(-2xy)(3xy²)*(-2xy)(3xy²)*(-2xy)(3xy²)*(-2xy)=-6x²y³-6x^2y^3
-x(xy²xy-1)-x(xy²xy-1)-x(xy²xy-1)-x(xy²+xy-1)=-x²y²-x²y+x
(-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)考试还是什么
整式乘法..1.3xy(x²y-xy²+xy)-xy²(2x²-xy+2x)2.(x-1)(x²-4x+3)-x(x²-5x+2)整式乘法..1.3xy(x²y-xy&s
xyxyxyxy
【(2+xy)(xy-2)-xy(xy+1)+4】/(-2xy)一道计算题!【(2+xy)(xy-2)-xy(xy+1)+4】/(-2xy)一道计算题!【(2+xy)(xy-2)-xy(xy+1)+4】/(-2xy)一道计算题!=(x&su
(X-3xy+4xy-y)-[-2x-2(xy-3/2xy)-y]+6xy的过程(X-3xy+4xy-y)-[-2x-2(xy-3/2xy)-y]+6xy的过程(X-3xy+4xy-y)-[-2x-2(xy-3/2xy)-y]+6xy的过程
计算:3xy(x²y-xy²+xy)-xy²(2x-xy+2x)计算:3xy(x²y-xy²+xy)-xy²(2x-xy+2x)计算:3xy(x²y-xy²+x
计算;(-2xy)(3xy²)=()计算;(-2xy)(3xy²)=()计算;(-2xy)(3xy²)=()(-2xy)(3xy²)=(-6x²y³)很高兴为您解答,【the190
(xy+1)(xy-1)的计算及其答案(xy+1)(xy-1)的计算及其答案(xy+1)(xy-1)的计算及其答案平方差公式(xy+1)(xy-1)=x²y²-1如还有新的问题,请不要追问的形式发送,另外发问题并向我求助
(-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(xy²)÷(-3xy)得多少(xy²)÷(-3xy)得多少―y/3得-y/3(xy²)÷(-3xy)=-y/3-y/3
计算:(xy-x²)乘x-y分之xy计算:(xy-x²)乘x-y分之xy计算:(xy-x²)乘x-y分之xy(xy-x²)乘(x-y)分之xy=-x(x-y)乘[(x-y)分之xy]=-x²
(xy-x的平方)÷xy分之x-y(xy-x的平方)÷xy分之x-y(xy-x的平方)÷xy分之x-y