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解题教学在数学教学中占有重要的地位，每个数学教师必须掌握解题教学的科学方法，注意培养学生的解题能力。下面例谈解题方法选择的一点肤浅体会。 例 1：某工程若由甲、乙、丙单独完成分别需要 10天、 15天、 30天，由甲、乙两队合作， 6天完成，厂家需付甲、乙两队共 87
Problem-solving teaching occupies an important position in mathematics teaching. Each mathematics teacher must master the scientific method of problem-solving teaching and pay attention to cultivating students’ problem-solving abilities. The following example illustrates a bit of superficial experience in the selection of problem solving methods. Example 1: If a project is completed separately by A, B, and C, it takes 10 days, 15 days, and 30 days respectively. The two teams cooperate with each other for six days. The two teams need to pay for A and B.