(3x^2y^3)/(2xy)^2=?(3x^2y^2)/(xy)*(1/y)=?x^2y-5x^2y+3x^y=?(6x^2y-4xy^2)/2xy=?(-3/4x)(8x^2-4)=?(a^2-b^2)^2/(a+b)^2=?多项式a-4a^b-5是_____次_____项式

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(3x^2y^3)/(2xy)^2=?(3x^2y^2)/(xy)*(1/y)=?x^2y-5x^2y+3x^y=?(6x^2y-4xy^2)/2xy=?(-3/4x)(8x^2-4)=?(a^2-b^2)^2/(a+b)^2=?多项式a-4a^b-5是_____次_____项式
(3x^2y^3)/(2xy)^2=?(3x^2y^2)/(xy)*(1/y)=?x^2y-5x^2y+3x^y=?(6x^2y-4xy^2)/2xy=?
(-3/4x)(8x^2-4)=?(a^2-b^2)^2/(a+b)^2=?
多项式a-4a^b-5是_____次_____项式

(3x^2y^3)/(2xy)^2=?(3x^2y^2)/(xy)*(1/y)=?x^2y-5x^2y+3x^y=?(6x^2y-4xy^2)/2xy=?(-3/4x)(8x^2-4)=?(a^2-b^2)^2/(a+b)^2=?多项式a-4a^b-5是_____次_____项式
(3x^2y^3)/(2xy)^2=3y/2;
(3x^2y^2)/(xy)*(1/y)=3x;
x^2y-5x^2y+3x^2y=-x²y;
(6x^2y-4xy^2)/2xy=3x-2y;
(-3/4x)(8x^2-4)=-6x³+3x;
(a^2-b^2)^2/(a+b)^2=(a-b)²;
多项式a-4a^2b-5是__3___次_3____项式
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