Răspunsuri

2014-11-12T00:03:20+02:00
2014-11-12T00:05:57+02:00
X + ( x+1) = 23
2x + 1 = 23
2x = 23 -1 
2x = 22
x = 22 :2
x = 11
x+1 = 12

Numerele sunt 11 si 12