Cho \(A = \frac{{6,{{62}^2} + 5,4.3,38 + 1,22.3,38...

Câu hỏi: Cho $A = \frac{{6,{{62}^2} + 5,4.3,38 + 1,22.3,38}}{{33,1.7,1 + 33,1.12,9}}$. Tìm B biết 15%.B = A. 

A. $\frac{1}{2}$

B. $\frac{2}{3}$

C. $\frac{3}{2}$

D. $\frac{5}{2}$