Сагс хоосон байна
How many people were needed to build the Pyramid of Khufu?
In this lesson, you can learn about scientific methods that help you calculate how many people were needed to build the pyramid.
9 – 12-р анги
Бичсэн: Dr. Stonawski Tamás
Хянан шалгагч: Trauer János
График дизайнер: Fasola Martin
Хөгжүүлэгч: Gálea Patrik
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