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1.题源在现行使用的北京师范大学出版社出版的普通高中课程标准实验教科书《数学5》(必修)中,第三章的第3.2节《基本不等式与最大(小)值》的习题3-3B组有这样一题:冬天到了,有48名学生参加学生会组织的室内游泳健身活动.每周每人1次,共8周,去游泳馆的集体包车费不论人多少,每次40元.游泳馆出售学生冬季游泳卡,每张240元可游30次.使用规定,不记名,每卡每次只限1人,每天只限1次,那么购买几张游泳卡最合算?每个学生最少消费多少元?
1. The source of the problem is in the currently used normal high school curriculum standard experimental textbook “Mathematics 5” (required) published by Beijing Normal University Press, and in Chapter 3, Section 3.2 “Basic Inequality and Maximum (Small) Value” Exercise 3 In the -3B group, there is such a question: In the winter, 48 students participate in the indoor swimming and fitness activities organized by the Student Union. Once per week, for a total of 8 weeks, the collective charter fee to the swimming pool no matter how many people, each time 40 Yuan. Swimming Hall sells students winter swimming cards, each 240 yuan can swim 30 times. The use of regulations, anonymous, each card is limited to one person at a time, only once a day, then buy a few swimming cards the most cost-effective? How much does a student spend at least?