문제 1-2의 풀이

$$lim_{n \to \infty} \frac{1}{n} \sum_{j=1}^{n} \sum_{k=1}^{n} \frac{j}{j^2 +k^2}$$

문제 1-2의 풀이를 적어주세요



Juutilainen (talk) 05:09, October 29, 2015 (UTC)