问题
3,4,2,6,-2,() A.13 B.-13 C.14 D.-14
3,4,2,6,-2,()
A.13 B.-13 C.14 D.-14
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