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Calculate the number 1345

NUMBERMANIA: Calculate the number 1345 using numbers [9, 5, 4, 7, 15, 408] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 23

The first user who solved this task is Sanja Šabović.

#brainteasers #math #numbermania

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I live every day like it's the last day of my life

@kevin_nealon:

I live every day like it's the last day of my life.

Every morning I wake up real early, and I spend maybe three hours on the phone making funeral arrangements.

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Charles Joseph Van Depoele

Born 27 Apr 1846; died 18 Mar 1892 at age 45.Belgian-American inventor who was a pioneer in railway, electric lighting, and mining work, with more than 100 patents on electrical inventions. He emigrated to the U.S. in 1869. While experimenting with electric motors in Detroit (1874) he established the practicality of railway cars running on electricity. He invented an electric generator (1880), and exhibited an operating electric streetcar at the Chicago Exposition of Railway Appliances (1883). He designed electric streetcar systems for several cities. In 1888, he sold his electric railway patents to Thomson-Houston Electric Company of Lynn, Mass. He died four years later, at age 46. His other patents include: arc lamp (1870), coal-mining machine (1891), gearless electric locomotive (1894).«

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