问题
－1 1 －4／3 2 （) 16／3 A.13／4 B. –16／5 C－13／4 D.16／5
-1 1 -4/3 2 () 16/3
A.13/4
B. –16/5
C-13/4
D.16/5
请帮忙给出正确答案和分析，谢谢！
Fatal error: Uncaught [XSException] ../../../usr/local/xunsearch/sdk/php/lib/XS.php(2559): Connection refused(C#111, localhost:8384)
thrown in /usr/local/xunsearch/sdk/php/lib/XS.php on line 2559
