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MATH PUZZLE: Can you replace...

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

Correct answers: 60

The first user who solved this task is Alfa Omega.

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TEACHER: Why are you late, Fra...

TEACHER: Why are you late, Frank?
FRANK: Because of the sign.
TEACHER: What sign?
FRANK: The one that says, "School Ahead, Go Slow."

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Richard E. Taylor

Born 2 Nov 1929.Canadian physicist who in 1990 shared the Nobel Prize for Physics with Jerome Friedman and Henry Kendall for his collaboration in pioneering investigations concerning deep inelastic scattering of electrons on protons and bound neutrons, which have been of essential importance for the development of the quark model in particle physics. The team performed a series of experiments that confirmed the hypothesis that protons and neutrons are made up of quarks. This discovery was crucial to the formulation of the currently accepted theoretical description of matter and its interactions, known as the standard model.

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