一停车场停了250辆车,包括四轮汽车、两轮摩托车、三轮摩托车,共有680个轮子,汽车比三轮摩托多30辆。问两轮摩托有多少量?A. 50 B. 75 C...

作者: tihaiku 人气: - 评论: 0
问题 一停车场停了250辆车,包括四轮汽车、两轮摩托车、三轮摩托车,共有680个轮子,汽车比三轮摩托多30辆。问两轮摩托有多少量?
选项 A. 50 B. 75 C. 100 D. 140
答案 D
解析

相关内容:停车场,250辆车,汽车,摩托车,三轮,共有,680个,轮子,摩托

更多 网友评论0 条评论)
暂无评论
错误啦!

错误信息

  • 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.'; ?>