问题
(),-1/4,-3/8,-5/16A.-1 B.-1/2 C.1/2 D.1
(),-1/4,-3/8,-5/16
A.-1 B.-1/2 C.1/2 D.1
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