Răspunsuri

2014-02-12T17:08:39+02:00
(1)x+y=380x-y=3y
x=4y
inlocuim in expresia (1)
4y+y=3805y=380y=76
aflam x
x+76=380
x=380-76=304
Raspuns: cele doua numere sun 304 si 76