Test typexo

This is a new line online.

$$
\dfrac {\sum _ {i = 1} ^ \infty \dfrac {1} {i ^ 3}} {\int _ a ^ b x ^ 2 \mathrm dx}
$$

This is a new line offline.

test warning
#include <cstdio>

int main()
{
    printf("Hello World!\n");
    return 0;
}
最后修改:2021 年 08 月 27 日 09 : 45 PM
如果觉得这篇文章对你有用,请随意赞赏~