已知x,y,z均不为0,并且x^2+4y^2+9z^2=x^3+2y^3+4z^3=x^4+y^4+z^4,则(2x-1
1个回答
得14!
解出来X=0或1
Y=0或2
Z=O或3
所以(2x-1)^2=1 (2y-2)^2=4 (2z-3)^2=9
所以(2x-1)^2+(2y-2)^2+(2z-3)^2=1+4+9=14
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