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Calculate the number 9809

NUMBERMANIA: Calculate the number 9809 using numbers [7, 6, 2, 6, 21, 745] 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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Max Sterne

Born 1 Jun 1905; died 26 Feb 1997 at age 91.Italian research veterinarian who developed an effective, safe, and reproducible vaccine against anthrax that succeeded in virtually eliminating the disease. Bacillus anthracis is a very large, Gram positive, sporeforming rod. The Sterne Strain of Bacillus anthracis produces sublethal amounts of the toxin that induce formation of protective antibody.

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