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  1. A tool for creating interactive geometric constructions

  2. Сравнение групп предметов (Objects groups comparison).

  3. Мастер-класс по рукоделию

  4. Observation of 3C454-3

  5. Observation of 3C454-3

  6. Observation of moon section

  7. Observation of ngc3507

  8. Observation of NGC7479

  9. Observation of moon section

  10. Observation of moon section

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