ﾐ籍ｲﾐｰﾑひｰﾑ ﾐｿﾐｾﾐｻﾑ糊ｷﾐｾﾐｲﾐｰﾑひｵﾐｻﾑ Administrator

ﾐ慴ｰﾑひｵﾐｼﾐｰﾑひｸﾐｺﾐｰ

\int_{}^{} \frac{x^2}{x^2+1}dx

ﾑﾐｰﾐｲﾐｵﾐｽ
x-arctg \space x+C

ﾐ墟ｾﾐｼﾐｼﾐｵﾐｽﾑひｰﾑﾐｸﾐｸ 0 2018-01-11 04:13:42 5