Răspunsuri

2014-02-16T13:32:10+02:00
1/7x=3/9 aduci la acelais numitor si vine 9x=21 si x=21/9
2014-02-16T14:36:25+02:00
1/7x=3/9 aduci la acelais numitor si vine 9x=21 si x=21/9