小鲸鱼说:妈妈我到您现在这么大,您就 31 了;老鲸鱼说:我像你这么大,你才 1 岁;那么,小鲸鱼现在几岁?

作者: tihaiku 人气: - 评论: 0
问题 小鲸鱼说:妈妈我到您现在这么大,您就 31 了;老鲸鱼说:我像你这么大,你才 1 岁;那么,小鲸鱼现在几岁?
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答案 11
解析 解析:令现在小鲸鱼 x 岁,老鲸鱼和小鲸鱼年龄差为 y,老鲸鱼现在 x+y 岁,则:小鲸鱼说:妈妈我到您现在这么大,您就 31 了=>(y+x)+y=31,老鲸鱼说:我像你这么大,你才 1 岁=>x-y=1 x=11
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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.'; ?>