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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 309

The first user who solved this task is Manguexa Wagle.

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Phone from 1990-2015

Here we realize we can see p*rn in the mobile

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Sir Arthur Percy Morris Fleming

Born 16 Jan 1881; died 14 Sep 1960 at age 79.English engineer who was a major figure in developing techniques for manufacturing radar components. During WW I, Fleming made important advances in submarine-detection gear. In 1920, as a pioneer in the development of radio, he established in Manchester the second British transmitting station to broadcast programs on a daily basis. His work on demountable, high-power thermionic tubes made it possible to establish radar stations in Great Britain by the time WW II began in 1939.

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