Răspunsuri

2014-05-26T11:43:17+03:00
17+(x-4)-(-7+5+x)+(-2+14)-(-4+30) = 17 +x -4 + 7 - 5 - x -2 +14 + 4 -30 = 1
2014-05-26T11:43:49+03:00