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Calculate the number 320

NUMBERMANIA: Calculate the number 320 using numbers [8, 5, 7, 5, 57, 520] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 16

The first user who solved this task is Nílton Corrêa De Sousa.

#brainteasers #math #numbermania

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Pierre-Charles L'Enfant

Born 2 Aug 1754; died 14 Jun 1825 at age 70.French-American architect. L'Enfant came to the U.S. as a French engineer who assisted the American Continental Army in its fight against the British during the American Revolution. Appointed by President Washington in 1791 to design the new federal city, L'Enfant designed the basic plan for Washington, D.C., based on many European cityscapes. L'Enfant was dismissed from his job in 1792 following professional disagreements and personality clashes with the three commissioners appointed by President Washington to oversee the project.

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