https://blog.youkuaiyun.com/jthmathzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/jthmath/article/details/50196901https://blog.youkuaiyun.com/jthmath/article/details/50196901jthmathTue, 22 Dec 2015 23:43:41 +0800https://blog.youkuaiyun.com/jthmath/article/details/46934781https://blog.youkuaiyun.com/jthmath/article/details/46934781jthmathSat, 18 Jul 2015 00:06:34 +0800https://blog.youkuaiyun.com/jthmath/article/details/44965827https://blog.youkuaiyun.com/jthmath/article/details/44965827jthmathThu, 09 Apr 2015 21:26:24 +08001,f2(x)={x,1x,12,f_1(x)= \frac1x, x>1, \\ f_2(x)= \begin{cases} x, & 12, \end{]]>https://blog.youkuaiyun.com/jthmath/article/details/44960539https://blog.youkuaiyun.com/jthmath/article/details/44960539jthmathThu, 09 Apr 2015 15:16:59 +0800https://blog.youkuaiyun.com/jthmath/article/details/44833961https://blog.youkuaiyun.com/jthmath/article/details/44833961jthmathThu, 02 Apr 2015 16:32:18 +0800https://blog.youkuaiyun.com/jthmath/article/details/43954657https://blog.youkuaiyun.com/jthmath/article/details/43954657jthmathThu, 26 Feb 2015 16:59:08 +0800https://blog.youkuaiyun.com/jthmath/article/details/39994063https://blog.youkuaiyun.com/jthmath/article/details/39994063jthmathSat, 11 Oct 2014 14:44:59 +0800