Tính tổng : $ \sum_{x=1}^{100}\frac{x}{x+x^2+x^4}=\frac{1}{1+1^2+1^4}+\frac{2}{2+2^2+2^4}+...+\frac{100}{100+100^2+100^4}$
1 user(s) are reading this topic
0 members, 1 guests, 0 anonymous users
Community Forum Software by IP.Board
Licensed to: Diễn đàn Toán học
