李阿姨编一个中国结,由原来的5分钟,减少到4分钟,她的工作效率提高了()
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 22:27:55
![李阿姨编一个中国结,由原来的5分钟,减少到4分钟,她的工作效率提高了()](/uploads/image/z/17822-38-2.jpg?t=%E6%9D%8E%E9%98%BF%E5%A7%A8%E7%BC%96%E4%B8%80%E4%B8%AA%E4%B8%AD%E5%9B%BD%E7%BB%93%2C%E7%94%B1%E5%8E%9F%E6%9D%A5%E7%9A%845%E5%88%86%E9%92%9F%2C%E5%87%8F%E5%B0%91%E5%88%B04%E5%88%86%E9%92%9F%2C%E5%A5%B9%E7%9A%84%E5%B7%A5%E4%BD%9C%E6%95%88%E7%8E%87%E6%8F%90%E9%AB%98%E4%BA%86%EF%BC%88%EF%BC%89)
李阿姨编一个中国结,由原来的5分钟,减少到4分钟,她的工作效率提高了()
李阿姨编一个中国结,由原来的5分钟,减少到4分钟,她的工作效率提高了()
李阿姨编一个中国结,由原来的5分钟,减少到4分钟,她的工作效率提高了()
20%
(1/4-1/5)/1/5
=25%
20%
提高是和原来比!
5分之1
分给我!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
全部展开
5分之1
分给我!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
收起