Răspunsuri

2014-11-17T17:27:57+02:00
X+y=304 x-y=304:8=38=> x=y+38 y+y+38=304 2y=266 y=133=> x=171
sunt in clasa 4 ,mai simplu ?
dar am deja rezolvare
Cel mai inteligent răspuns!
2014-11-17T17:30:14+02:00
A+b=304 a-b=304:8 a=? b=? Rezolvare: a-b=38 => a=38+b a+b=304 a+a+38=304 2a=304-38 2a=266 a=266:2 a=133 b=304-a b=304-133 b=171