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符号化思想 借助符号清晰、精确、简练地表达数学思想及逻辑关系，简化并加速思维过程。对应思想 对应是反映两个集合元素之间的关系。数的概念的产生，正是来自对应思想，对应是解答应用题的一种重要思想方法假设思想 在解答多步应用题过程中，可以把某个条件假设为与它相
Symbolic thinking uses symbols to express mathematical thought and logical relations clearly, concisely and succinctly, simplifying and accelerating thinking process. Correspondence corresponds to reflect the relationship between two sets of elements. The concept of number is generated from the corresponding thought, which corresponds to an important way to solve the problem. Assumptions in the process of answering multi-step application, the assumption that a certain condition is related to it