Since the establishment of the mathematical model, we will get some certain results through Logic reasoning or mathematics operation.
在数学模型建立之后，通过逻辑推理或数学运算可以推导出一定的结果。
A printed or written sign used to represent an operation, an element, a quantity, a quality, or a relation, as in mathematics or music.
符号，代号：印刷的或书面的符号，用来代表某一操作、要素、数量、质量或某种联系，如在数学或音乐中。
The strategy to overcome the frustration does not only need psychological direction, but also the guidance and operation in mathematics problems.
克服数学学习挫折的策略不仅是心理的疏导，还需要数学问题的引导与操作，形成有效的疏导平台。
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