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Calculate the number 1309

NUMBERMANIA: Calculate the number 1309 using numbers [5, 3, 5, 6, 81, 730] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 31

The first user who solved this task is Sanja Šabović.

#brainteasers #math #numbermania

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Coast-to-coast colour telecast

In 1954, the first colour telecast originating from the west coast of the U.S. showed the Tournament of Roses parade hosted by Don Ameche in Pasadena, California. It was viewed by the audiences of the National Broadcasting Corporation (NBC) network in 21 cities (with remaining cities showing the program in black and white). NBC had made the first live colour coast-to-coast live telecast from the east coast two months earlier, on 3 Nov 1953, from its WNBT-TV station (now WNBC) in New York City. It was sent across country to Burbank, California, using radio relay circuits provided by the Bell Telephone Company.*

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