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Calculate the number 1817

NUMBERMANIA: Calculate the number 1817 using numbers [9, 2, 1, 4, 49, 820] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 29

The first user who solved this task is Sanja Šabović.

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When the dictator of North Korea had a sex change, he also changed his name: Kim Un Hung.

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Roy Chapman Andrews

Born 26 Jan 1884; died 11 Mar 1960 at age 76. American zoologist, museum administrator and explorer who spent his entire career at the American Museum of Natural History. He led many important scientific expeditions with financial support through his public lectures and books, particularly in central Asia and eastern Asia. On his 1925 central Asian expedition, the first known dinosaur eggs were discovered, also: a skull and parts of Baluchitherium, the largest known land mammal; extensive deposits of fossil mammals and reptiles previously unknown; evidence of prehistoric human life; and geological strata previously unexplored. During his career he was not known as an influential scientist, yet Andrews was the museum promoter, creating immense excitement and successfully advancing research there.

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