一、问题情境一个合唱团共有15名队员,暑假期间有一个紧急演出,教师需要尽快将这一消息通知到每一个队员。如果用打电话的方式,每分钟通知1人,请帮老师设计一个打电话的方案。(要求越省时越好)二、教学中常出现的问题本部分内容要求教师引领学生在各种方案中找到最节省时间的方 First, the problem situation A total of 15 members of a choir, there is an emergency show during the summer, teachers need to be notified of this news to each team member as soon as possible. If you use the phone to inform one person per minute, please help the teacher to design a phone plan. (The more time required when the better) Second, the problems often encountered in teaching This section requires teachers to lead students in various programs to find the most time-saving side