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(challenging task called “the star”) It consists of 6 symmetrical small bars of complex shapes...
Which geometric solid known to us has the greatest strength? Which is most resistant to external...
The box geometric shape from a distance resembles a rounded shape, emphasizing the similarity with the...
In the second half of the 19th century, a new teaching method was born in US schools - the project...
With spring's arrival, all the plants around come to life, foliage appears, everything turns...
Make the New Year's holiday beautiful and unusual, so that the children saw in him a fairy tale,...