若有理数x.y.z满足等式(x-2)*(x-2)+(2x-y)*(2x-y)*(2x-y)*(2x-y)*+|x-3z|=0,求x_数学解答

若有理数x.y.z满足等式(x-2)*(x-2)+(2x-y)*(2x-y)*(2x-y)*(2x-y)*+|x-3z|=0,求x+y+z的值

人气：237 ℃　时间：2020-06-27 02:42:56

解答

(x-2)*(x-2)+(2x-y)*(2x-y)*(2x-y)*(2x-y)+|x-3z|=0
x-2=0
2x-y=0
x-3z=0
x=2
y=4
z=2/3
x+y+z=20/3