题目数学中,下列哪个是无理数?A. sqrt(2)B. 3.14C. 0D. (1)/(3)数学中,下列哪个是无理数?A. $\sqrt{2}$B. $3.14$C. $0$D. $\frac{1}{3}$题目解答答案A. $\sqrt{2}$