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Can you find the numbers ABC...

Can you find the numbers ABCD so that the following calculation is proved? (ABCD x 4 = DCBA)

Correct answers: 50

The first user who solved this task is aysan saidie.

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Aristides Agramonte y Simoni

Born 3 Jun 1868; died 19 Aug 1931 at age 63.Cuban pathologist and bacteriologist who was a member of the Reed Yellow Fever Board of the U.S. Army that discovered (1901) the role of the mosquito in the transmission of yellow fever. In May 1898, he was appointed Acting Assistant Surgeon in the U.S. Army. Agramonte had acquired immunity to yellow fever from a mild childhood case in Cuba before emigrating to the U.S., which was an advantage when he was chosen by the Surgeon-General to study the yellow fever outbreak in General Shafter's army in Cuba. There Agramonte performed autopsies in order to determine the causative agent of the disease. After additional work in Cuba, in May 1900, Agramonte was appointmented to Walter Reed's Yellow Fever Commission.

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