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MATH PUZZLE: Can you replace...

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

Correct answers: 147

The first user who solved this task is Djordje Timotijevic.

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The inventor of pantyhose...

“The inventor of pantyhose really left us quite a legacy.”

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Sir George Paget Thomson

Died 10 Sep 1975 at age 83 (born 3 May 1892).English physicist who shared (with Clinton J. Davisson of the U.S.) the Nobel Prize for Physics in 1937 for demonstrating that electrons undergo diffraction, a behaviour peculiar to waves that is widely exploited in determining the atomic structure of solids and liquids. He was the son of Sir J.J. Thomson who discovered the electron as a particle.

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