Question

determinati x€R din propozitiile a)13/x=x/13;b)5x/4=30/x; 3+x/8=1/3-x; 3c/2=2/3x; x+1/8=2/x+1; x^2+10/12=5/6

Answer 1

Rezolvarea primelor 3, la restu incearca singur.Spor!