a) aducem la acelasi numitor , adica √32
(√4/√32 + 1/√32 - √16/√32) * 2/√2= (2+1-4)*2/√32 *√2=-2/2√16=-1/√16
b) mg = [tex] \sqrt{a*b} [/tex]
2√3 * 6√3 = 12 * 3 = 36
mg=√36=6
c) 3/16 : (0,75-1/2)²= 3/16 : (9/16-3/4+1/4)=3/16: [(9-12+4)/16] = (3/16) * 16 = 3
0,75=3/4
