3x-4y---------8xy-6x² 化简
2个回答
(3x-4y)/(8xy-6x^2)=(3x-4y)/[2x(4y-3x)]=-1/(2x)
也可能是:
(8xy-6x^2)/(3x-4y)=[2x(4y-3x)]/(3x-4y)=-2x
相关问题
化简: 4xy²-3x²y-{3x²y+xy²-[2xy²-(4x
数与式 化简 [6x√(y/x)+3/y√(xy³)]-[4x√(x/y)+√(36xy)]
(x+y)(x-y)-(4x³y-8xy³)求化简
化简:(1)-4x2y+8xy2-9x2y-21xy2(2)4(x2+xy-6)-3(2x2-xy)(3)(5x2+4x
化简[x-y+4xy/(x-y)][x+y-4xy/(x-y)]
先化简,再求值:3x²y(-4xy²)+5xy•(-6xy)²,其中x=2,y
化简 3x²+4xy+y²-2xy-3y²+5x²+7;
化简求值:已知x+4y=-1,xy=5,求(6xy+7y)+【8x-(5xy-y+6x)】的值
化简求值:已知x+4y=-1,xy=5,求(6xy+7y)+【8x-(5xy-y+6x)】的值
化简:-3{y-(3x^2-3xy)}-{y+2(4x^2-4xy)}