Răspunsuri

  • Utilizator Brainly
2014-05-05T19:24:37+03:00

2rd45+3xrd15=9rd5
6rd5+3xrd15=9rd5|rd5
3xrd3=93xrd3=9-6
3xrd3=3
x=3/3rd3=3 cu 3 se simplifica=rationalizam cu rd3=-rd3/3