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笔者在教学有理数的乘法时,参考了2013年第7-8期刊《中小学数学》中卢群兴的文章《对有理数乘法法则的教学思考》,其中存在一些错误,与作为建立四审制度的国家级期刊不相适应.原文93页:“要使这个规律在引入负数后仍然成
When teaching multiplication of rational numbers, we refer to Lu Qunxing’s article ”Thinking about the Teaching of Rational Multiplication Rules“ in the 7th-7th issue of elementary and secondary mathematics in 2013. There are some mistakes in it, Periodical incompatible with the original 93 pages: ”To make this law still into the negative after the introduction