Răspunsuri

2014-02-13T10:00:00+02:00
  • Utilizator Brainly
2014-02-13T10:00:29+02:00
A) 4√2
b) 2√2-√72+2√18=2√2-√36*2+2√9*2=2√2-6√2+6√2=2√2