Răspunsuri

  • Utilizator Brainly
2014-05-06T20:33:25+03:00

ridicam la patrat sau la 2\
2-rd2/2+1/4+2/4+2rd2/4 de simplifica cu2 si ramne rd /2+1+1/2+1/4-5
rd2/2cu -rd2/2 se reduc 1/4+1/4=2/4+2/4=4/4=1+1=2+2=4-5=-1 care este numar intreg