On the Teaching of Geometry in Russia
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[1] G. Pólya. Mathematics and Plausible Reasoning , 1958 .
[2] L. Vygotsky,et al. Thought and Language , 1963 .
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[1] G. Pólya. Mathematics and Plausible Reasoning , 1958 .
[2] L. Vygotsky,et al. Thought and Language , 1963 .