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《毫米的认识》是人教版义务教育课程标准实验教科书《数学》三年级上册的教学内容。案例一[新课伊始——]师:你能正确的使用这些长度单位吗?
“Mm of knowledge” is the compulsory education curriculum standard experimental textbook “mathematics” third grade on the teaching content. Case 1 [Beginning of the New Class -] Teacher: Can you use these units of length correctly?