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Calculate the number 678

NUMBERMANIA: Calculate the number 678 using numbers [3, 8, 9, 5, 80, 315] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 30

The first user who solved this task is Sanja Šabović.

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The Conscientious Ransomer

I got attacked by ransomware and was asked for money...
I sent them my pay stub...
Not only did they immediately remove the malware from my system, but they also put some money into my account.

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Elsie (Worthington) Clews Parsons

Died 19 Dec 1941 at age 66 (born 27 Nov 1875).U.S. ethnologist and anthropologist who was an expert on the customs of Indian tribes of the southwestern United States, especially the Hopi and Pueblo. Despite being raised in a socially prominent family, she asserted he independence and became an outspoken feminist. Influenced by meeting anthropologist Franz Boas during a visit to the southwest U.S. (1915), she became interested in work among native Americans of that region. Thus began 25-years of diligent study of native American life. In 1939 she published Pueblo Indian Religion in two volumes. Boas complimented this massive collection as "a summary of practically all we know about Pueblo religion and an indispensable source book for every student of Indian life."«

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