T? khóa: B? th?n, B? th?n tráng d??ng, T?ng c??ng sinh l?c, t?ng c??ng sinh lý, V??ng Ki?n Xbogy Ki?m duy?t n?i dung D??c s?: Cao Ng?c Qu?nh T? v?n chuyên môn?????????????? —— ?????????????????After factorizing 123, make pairs out with the elements to find the square root. If there exist numbers that cannot be designed pairs additional, we