(xy)^3·3x^2·(-4x^2y^3)^2
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(xy)^3·3x^2·(-4x^2y^3)^2
(xy)^3·3x^2·(-4x^2y^3)^2
(xy)^3·3x^2·(-4x^2y^3)^2
(xy)^3·3x^2·(-4x^2y^3)^2
=x^3y^3×3x^2×16x^4y^6
=48x^9y^9
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
计算(3xy²)·(-2xy),(2x-y)²-4(x+y)(x-2y),
计算 2xy[4x²y²-3y(xy+x²y)-xy²](2x-x²-3)(x³-x²-2)(x²)³-2x³[x³-x²(4x+1)](-1/3xy)²·[xy(2x-y)-3x(xy-y²)]
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
化简:3x^2-[5xy-(x^y-3xy)+4x^2y-8xy]
(-3x^y+2xy)-( )=4x^+xy
(-2x²y)³·3xy÷2xy²·4x计算
(-3/2xy)·(2/3x²y-4xy²+4/3y)=
[(2xy^3)^2÷(3x)]·[8xy÷(4xy)],其中x=1000,y=-1
化简2(x²y+xy)-3(x²y-xy)-4x²y
-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)说错说错,3xy【2xy-x(y-2)+x】(x+2)(x+3)-(x+6)(x-1)(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
xy-2{xy-[3x^2y-(4xy^2+0.5xy)]+4x^2y}+6xy^2
(X-3xy+4xy-y)-[-2x-2(xy-3/2xy)-y]+6xy的过程
x^3y(-4y)^2+(-7xy)^2*(-xy)-5xy^3*(-3x)^2
5x^3y*(-3y)^2+(-6xy)^2*(-xy)+xy^3*(-4x^2)
3(x^2y+xy)-4(xy-2x^2y)-(-xy)
1.x^2-9y^2/2x-6y 2.2x+6/x^+3x 3.x-2/x^2-4x+4 4.24xy^2z^3/4z^2y 5.-3xy·x/3y
x·(9x^3y-3xy^2)÷(-3x^2y) [(x+y)^2-(x-y)^2]÷(-4xy) 怎么写x·(9x^3y-3xy^2)÷(-3x^2y)[(x+y)^2-(x-y)^2]÷(-4xy)