甲乙二人共同加工170个零件,甲加工零件个数的1/3比乙加工零件个数的1/4多10个。那么,甲比乙多加工多少个零件?( ) A. 30 B. 20 C...

作者: tihaiku 人气: - 评论: 0
问题 甲乙二人共同加工170个零件,甲加工零件个数的1/3比乙加工零件个数的1/4多10个。那么,甲比乙多加工多少个零件?( ) A. 30 B. 20 C. 15 D. 10
选项
答案 D
解析 设甲加工的零件个数为x,乙加工的零件个数为y,根据题意可得:x+y =170,x/3-y/4=10。解得x=90,y =80。x-y=90-80= 10(个)。故本题正确答案为D项。

相关内容:二人,加工,170个,零件,个数,比乙,甲比,乙多

猜你喜欢

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.'; ?>