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Using a Built-in graphic editor package for MS Office in teaching geometry at school - PDF (Russian)
Copyright (c) 2013 Клековкин Г.А., Орлова Н.Н.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2013 Клековкин Г.А., Орлова Н.Н.
This work is licensed under a Creative Commons Attribution 4.0 International License.