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This paper is a report of an empirical study on the senior middle school students' understanding about the concept of slope.
本文报道了针对中学生斜率概念理解的一项调查研究。
youdao
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This paper is a report of an empirical study on the senior middle school students' understanding about the concept of slope.
本文报道了针对中学生斜率概念理解的一项调查研究。
youdao