用数学构造思想方法解题应遵循熟悉化原则、直观性原则、和谐性原则及相似性原则；
Applying structural thought method to solving mathematical problem will follow the familiar, intuitional, harmonious and similar principle .
中学生在数学学习及解题过程中出现错误是在所难免的，这是一种自然现象。
It is inevitable for middle school students to make mistakes in learning mathematics and solving mathematical questions.
中学生在数学学习及解题过程中出现错误是在所难免的，这是一种自然现象。
It is inevitable for middle school students to make mistakes in learning mathematics and solving mathematical questions.
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