(4+2x-3y^2)*(5x+y^2-4xy)*(xy-3x^2+2y^4)的最高次项是
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(4+2x-3y^2)*(5x+y^2-4xy)*(xy-3x^2+2y^4)的最高次项是
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![(4+2x-3y^2)*(5x+y^2-4xy)*(xy-3x^2+2y^4)的最高次项是](/uploads/image/z/9160016-32-6.jpg?t=%EF%BC%884%2B2x-3y%5E2%EF%BC%89%2A%EF%BC%885x%2By%5E2-4xy%29%2A%28xy-3x%5E2%2B2y%5E4%29%E7%9A%84%E6%9C%80%E9%AB%98%E6%AC%A1%E9%A1%B9%E6%98%AF)
(-3y^2)*y^2*(2y^4)=-6y^8
每一个括号理最高次项相乘
每一个括号理最高次项相乘
(4+2x-3y^2)*(5x+y^2-4xy)*(xy-3x^2+2y^4)的最高次项是
x^3y(-4y)^2+(-7xy)^2*(-xy)-5xy^3*(-3x)^2
已知x-y=4xy,求x-2xy-y分之2x+3xy-2y的值!
已知x-y=4,xy=-2,求代数式(2x+3y-2xy)-(x+4+xy)-(3xy+2y-2x)的值
[-(x-y)^2/xy]^-4*(y^2-xy/x)^3*(x^4/y^10)÷(xy-y^2/x)^-5=-y(y-
(-3x^y+2xy)-( )=4x^+xy
3x²y+xy²-[2xy²-4x²y+(x²y-2xy²)
若x-y=4,xy=1,求(-2xy+2x+3y)-(3xy+2y-2x)-(x+4y+xy)的值
x^+2xy+y^+4=16 x^-2xy+y^=16 求(3xy+6y^)+|x^-(2xy+2y^-3x^)|的值
已知:x-y=1,xy=-2.求:(-2xy+2x+3y)-(3xy+2y-2x)-(x+4y+xy)的值
x-y=1,xy=2.求:(-2xy+2x+3y)-(3xy+2y-2x)-(x+4y+xy)的值
.已知:x-y=1,xy=-2.求:(-2xy+2 x+3y)-(3xy+2y-2x)-(x+4y+xy)的值