Răspunsuri

Cel mai inteligent răspuns!
2014-04-29T21:34:06+03:00
|x+y+2|+|x-y|=0
x+y+2+x-y=0
2x+2=0
2x=-2
x=-1  |x|=1
|x-y|=0
-1-y=0
-y=1
y=-1  |y|=1

|x|+|y|=1+1=2
2 5 2