若|a-b-1|+(b-2a+c)的2次方+|2c-b|=0
则
a-b=1
b-2a+c=0
b=2c
c=-2
b=-4
a=-3
如果|x+y+z-6|+|2x+3y-z-12|+|2x-y-z|=0
x+y+z=6
2x+3y-z=12
2x-y-z=0
x=2
y+z=4
3y-z=8
y=3
z=1
若|a-b-1|+(b-2a+c)的2次方+|2c-b|=0
则
a-b=1
b-2a+c=0
b=2c
c=-2
b=-4
a=-3
如果|x+y+z-6|+|2x+3y-z-12|+|2x-y-z|=0
x+y+z=6
2x+3y-z=12
2x-y-z=0
x=2
y+z=4
3y-z=8
y=3
z=1