对运算意义的理解
Understanding the meaning of operations
以上为机器翻译结果,长、整句建议使用 人工翻译 。
学生初次接触到负数的概念时,对理解负数的意义及有理数的运算法则都会产生困难。
When first meet negative numbers, students have difficulty understanding both the meaning of negative numbers and the rules of operation between rational numbers.
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