Răspunsuri

2014-08-14T17:20:46+03:00
| x +1/2 | + |y -1/2|=0

|x+1/2|=0

x+1/2=0  => x= -1/2

|y-1/2|=0

y-1/2=0  => y = 1/2

x * y=  ( -1/2) * ( 1/2)=  -1/4
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