已知|x-8y|+2(4y-1)2+3|8z-3x|=0,求x+y+z的值.
问题描述:
已知|x-8y|+2(4y-1)2+3|8z-3x|=0,求x+y+z的值.
答
由题意得
,
x−8y=0 4y−1=0 8z−3x=0
解得
,
x=2 y=
1 4 z=
3 4
故x+y+z=2+
+1 4
=3.3 4