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“折扣”内容的练习需要学生对折扣意义有深入的理解,并且需较丰富的生活经验作为基础。据此在让学生应用折扣知识解决实际问题时,要综合考虑学生在基础知识、基本技能、基本生活经验等方面是否有足够的积累。如果没有,则会影响学生解决此类问题的效果,无法体现此类问题的练习价值,从而无法达到使学生灵活应用知识解决问题,发展策略的目标。
The practice of “discount ” content requires that students have a deep understanding of the meaning of discounts and need a richer life experience as a basis. Therefore, students should apply discounted knowledge to solve practical problems, it is necessary to consider students’ basic knowledge, basic skills, basic life experience, whether there is sufficient accumulation. If not, it will affect the students to solve such problems effect, can not reflect the practice value of such problems, which can not be achieved so that students can apply knowledge to solve problems and develop strategies.