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差倍问题是实际生活和生产中常遇到的问题。由于学生不理解差倍问题的本质特征、数量关系和解题规律,遇到此类问题时常常不知如何着手解答,遇到它的变式题型
Poor times the problem is often encountered in real life and production problems. Because students do not understand the essential characteristics of the times difference problem, the relationship between the number and the problem-solving law, encountered such problems often do not know how to start answering its variant questions