A-A+ 7 9 1 15 -5 21 ()。A.36 B.-11 C.13 D.27 2021-04-05 05:00:11 招录考试 阅读 问题详情 7,9,1,15,-5,21,()。A.36B.-11C.13D.27请帮忙给出正确答案和分析,谢谢! 参考答案 查看解答