Calculate the number 3909
[4423] Calculate the number 3909 - NUMBERMANIA: Calculate the number 3909 using numbers [1, 3, 5, 6, 12, 273] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 20 - The first user who solved this task is Manguexa Wagle
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Calculate the number 3909

NUMBERMANIA: Calculate the number 3909 using numbers [1, 3, 5, 6, 12, 273] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Manguexa Wagle.
#brainteasers #math #numbermania
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In 1911, the Computing-Tabulating-Recording Company (CTR) was incorporated, a predecessor of IBM (1924). Earlier, in 1890, Dr. Herman Hollerith had constructed an electromechanical machine using perforated cards for use in the U.S. census, and in 1896 he founded the Tabulating Machine Co. to construct sorting machines. In 1911, CTR was the result of the merger of the Tabulating Company (founded by Hollerith), the Computing Scale Company, and the International Time Recording Company)
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