Răspunsuri

2014-03-07T16:29:17+02:00
X+y=304
x-y=304/8=28
x-y=28⇒x=28+y
28+y+y=304
2y=304-28
2y=276⇒y=276/2=138
y=138
x+138=304⇒x=304-138=166
x=166
Sper ca te-am ajutat!!!:)