Răspunsuri

Cel mai inteligent răspuns!
2014-04-26T14:26:13+03:00
3a-960= a/3  aducem la acelasi numitor
9a-2880=a
9a-a=2880
8a=2880
a=360
2 5 2
2014-04-26T14:26:22+03:00
3a=a:3+960
9a-a=960*3
8a=960*3
a=960*3:8
a=120*3
a=360
1 5 1