2/5,11/18,16/21,7/8,26/27,( )A.31/30 B.30/32 C.33/60 D.34/64

作者: tihaiku 人气: - 评论: 0

问题 2/5,11/18,16/21,7/8,26/27,( )

选项 A.31/30 B.30/32 C.33/60 D.34/64

答案 A

解析数列分子、分母呈递增趋势，优先反约分，将数列转化为单调递增。原数列可转化为：6/15，11/18,16/21,21/24，26/27?，（），分母为公差是3的等差数列，分子为公差是5的等差数列，则所求项=26+5/27+3=31/30。故正确答案为A。

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消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.

文件: /twcms/kongphp/cache/cache_redis.class.php

位置: 第 85 行

<?php echo 'KongPHP, Road to Jane.'; ?>

2/5,11/18,16/21,7/8,26/27,( )A.31/30 B.30/32 C.33/60 D.34/64

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