The understanding of the strategies of problem solving in primary mathematics textbooks will directly influence the aim of the classroom teaching design and the actual performance of the teaching.
对小学数学教科书中有关“解决问题的策略”的理解，将直接影响其课堂教学设计的针对性与教学实际的具体效益。
Mathematics is an abstract subject to be learned and the visualizability of both maths teaching materials and classroom teaching is an aim to be pursued in every country.
数学是一门抽象性很强的学科。在数学教材和课堂教学中体现直观性，是各国都努力追求的。
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