【教材分析】本节内容相对独立,主要是通过一些简单的问题向学生渗透优化思想。在例1中讨论烙饼时怎样操作最省时间;在例2中分析家里来客人需要沏茶时,怎样安排能让客人尽快喝上茶;在“做一做”中安排了餐厅怎样炒菜的顺序,能让客人都尽快吃上菜;例3安排的是在码头卸货时,按照怎样的顺序卸货能让三艘船的等候时间最少;接下来的“做一做”是医务室的就诊顺序问题。通过这些生活中常见的简单事例,让学生从中体会运筹思想在解决问题中的作用。 Textbook Analysis This section is relatively independent, mainly through some simple questions to students to optimize the idea of ​​infiltration. In Example 1, it is the best time to discuss how to operate the pancake. In Example 2, we analyze how guests can make tea in the home and how to arrange for them to drink tea as soon as possible. How to cook the restaurant in “Make a Make” Order to allow guests to eat as soon as possible; Example 3 is arranged at the dock unloading, in accordance with the order of discharge can make the waiting time of the three ships at least; the next The order of visits. Through these simple examples of life, students can learn from them the role of operational thinking in solving problems.