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llewellyn samuels

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last 3 solved tasks
Calculate the number 24 using numbers [1, 3, 4, 6] and basic arithmetic operations (+, -, *, /). Each of the numbers must be used only once.
NUMBERMANIA: Calculate the number 6741 using numbers [7, 2, 3, 6, 77, 698] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
NUMBERMANIA: Calculate the number 5135 using numbers [8, 8, 6, 1, 45, 901] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

James Mason Crafts

Died 20 Jun 1917 at age 78 (born 8 Mar 1839).American chemist who with French chemist Charles Friedel, discovered an important organic carbon-chain addition to carbon-ring chemical synthesis techique, the Friedel-Crafts reaction (1877). This was a method of synthesizing hydrocarbons or ketones from aromatic hydrocarbons using aluminum chloride as a catalyst. Friedel and Crafts also did much work on the synthesis of organosilicon compounds.

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