若x,y,z满足3x+7y+z=1,4X+10y+z=2008,求分式(2007x+2007y+2007z)/(x+3y)的值1/(x^2-2x+4)* (x^2-4/x+8) + 1/(x+8)

若实数X.Y.Z满足X+1/Y=4,Y+1/Z=1,Z+1/X=7/3,则XYZ 的值为------- 若实数x、y、z满足x+1/y=4,y+1/z=1,z+1/x=7/3,则xyz的值为多少 若实数X`Y`Z满足x+(1/y)=4,y+(1/z)=1,z+(1/x)=7/3求xyz的值/为除号 若实数x,y,z满足x+y/1=4,y+z/1=1,z+x/1=3/7,则xyz的值为多少 若实数x,y,z满足3x+7y+z=1,4x+10y+z=2005,求分式x+3y/2004x+2004y+2004z的值. 若x,y,z满足3x+7y+z=1,4x+10y+z=2006,求分式2005x+2005y+2005z/x+3y的值. 若x,y,z满足3x+7y+z=1和4x+10y+z=200,则x+3y分之2000x+2000y+2000z的值为? 若x,y,z满足3x+7x+z=1,4x+10y+z=2006,求分式2005x+2005y+2005z/x+3y的值 若有理数x、y、z满足等式(x-1)^2+(2x-y)^4+|x-3z|=0,求x、y、z的值 若有理数x,y,z满足（x-1)^2+(2x-y)^4+(x-3z)^2=2,求x+y+z的值 已知实数x y z满足x/(x+1)=y/(y+2)=z/(z+3)=(x+y+z)/3,求x+y+z的值 已知实数x y z满足x/(x+1)=y/(y+2)=z/(z+3)=(x+y+z)/3,求x+y+z的值 已知x、y、z满足{3x+7y+z=5 ,求x+y+z的值 {4x+10y+z=3 已知x,y,z满足3x+7y+z=5 4x+10y+z=3 求x+y+z的值 已知有理数x、y、z满足条件|x-z-2|+(3x-6y-7)^2+|3y+3z-4|=0,求x、y、z 若实数x,y,z满足x+y+z=4[√(x-5)+√(y-4)+√(z-3)]求x,y,z的值 已知X、Y、Z满足2X-Y+4Z=8(1);X-2Y-Z=7(2)求X-Y-Z的值 若实数XYZ满足2|x-y|+√2y+z+z方-z+1//4=0 求X+Y+Z 2y+z在根号里