The analysis of errors can help solve this problem, so it is necessary to study the elementary school students' errors for theoretical purpose and practical use.
错误分析能够帮助解决这个问题，因而有其存在的理论和实际意义。
In order to find out the answers to the questions, the errors made by elementary school students are collected and analyzed.
为了找到这些问题的答案，本文收集小学生所犯的错误并进行分析。
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