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Calculate the number 683

NUMBERMANIA: Calculate the number 683 using numbers [4, 1, 3, 3, 29, 603] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 19

The first user who solved this task is Djordje Timotijevic.

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Saskatchewan has huge methane reserves – it must be one of the flatus places on Earth.

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Florence Bailey

Born 8 Aug 1863; died 22 Sep 1948 at age 85.Florence Augusta Merriam Bailey was an American ornithologist and author of popular field guides. She preceded Ludlow Griscom in calling for the use of binoculars instead of shotguns when birding. By 1885, she began to write articles focusing on protecting birds. She was horrified by the fashion trend which not only used feathers, but entire birds to decorate women's hats. Five million birds a year were killed to supply this fashion craze. At age 26, Bailey collected and developed the series of articles she had written for the Audubon Magazine into her first book, Birds Through an Opera Glass, (1889). Altogether she published about 100 articles, mostly for ornithological magazines, and 10 books. including the Handbook of Birds of the Western United States (1902) and Birds of New Mexico (1928).

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