Cevaplar

2012-11-19T18:13:27+02:00

(y-z)+(y+3): 2y+1

(z-2)+(x+y): x+y+z+2

1 1 1
2012-11-19T18:16:50+02:00

(y-z)+(y+3): 2y+1

(z-2)+(x+y): x+y+z+

0