TOC o 1-2 h z u HYPERLINK l _Toc320091569 题57(出圈题) PAGEREF _Toc320091569 h 3 HYPERLINK l _Toc320091570 题91(奇个t1和t2数组xx下标为偶的元素值的算术平均值pj(保留2位小数)) PAGEREF _Toc320091570 h 3 HYPE