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方案设计型问题是中考中的必考问题,对这类问题同学们一定要重视.方案设计型问题涉及生产生活的方方面面,有多种类型,这里只讲方程(组)型、函数型和混合型三种.一、方程(组)型例1梅林中学租用两辆小汽车(设速度相同)同时送1名带队老师和7名九年级学生到县城参加数学竞赛,每辆车限坐4人(不包括司机).其中一辆小汽车在距离考场15km的地方出现故障,
The program design type problem is a must-examination problem in the middle school entrance examination. Students must pay attention to this type of problem. The design-type problem involves all aspects of production and life. There are many types. Here only the equation (group) type, function type, and hybrid Type three. I. Equation (Group) Type 1 Meilin High School rents two cars (with the same speed) and sends 1 teacher and 7 students to the county seat to participate in the math competition. Each car is limited to 4 seats. People (excluding drivers). One of the cars failed at a distance of 15km from the examination room.