The Open Classroom Teaching is a tendency of elementary mathematics education both at home and abroad.

开放式课堂教学是国际数学教育和我国基础数学教育的共同取向；

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The Open Classroom Teaching is a tendency of elementary mathematics education both at home and abroad.

开放式课堂教学是国际数学教育和我国基础数学教育的共同取向；

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