Salut am nevoie URGENT !
2 si 2 ! Mulțumesc


Raspuns:
Explicație pas cu pas:
2/x=y/7=>xy=14
xy-20=14-20=-6
-------------------
x-4/2<x
x-4<2x
x-2x<4
-x<4
x>-4
S1={-3,-2,-1}
x<_5-x
x+x<_5
2x<_5
x<_5/2
x<_2,5
S2={2,1,0,-1}
A={-3,-2,-1,0,1,2}
Ai in poza ceva important