Răspunsuri

2014-04-15T15:09:11+03:00
X-nr pagini
3/8 din x =3/8*x = 3x/8- cat a citit prima oara

3x/8 +80=x  aducem la acelasi numitor
3x+640=8x
3x-8x=-640
-5x=-640
5x=640
x=128


1 4 1
2014-04-15T18:23:37+03:00
8/8-3/8=5/8
80:5=16
16 x 3=48
48+80=128
Mult Succes!
2 5 2