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Calculate the number 631

NUMBERMANIA: Calculate the number 631 using numbers [1, 4, 8, 8, 83, 323] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 1

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Abraham Werner

Died 30 Jun 1817 at age 66 (born 25 Sep 1750). Abraham Gottlob Werner was a German geologist who founded the Neptunist school, holding that all rocks have aqueous origins. This contrasts with the Plutonists, or Vulcanists, who maintain that granite among other rocks were of igneous origin. Werner also rejected the idea of uniformitarianism whereby geological evolution has been a uniform and continuous process.«

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