Calculate the number 7375
[239] Calculate the number 7375 - NUMBERMANIA: Calculate the number 7375 using numbers [9, 2, 6, 4, 66, 647] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 33 - The first user who solved this task is Sanja Šabović
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Calculate the number 7375

NUMBERMANIA: Calculate the number 7375 using numbers [9, 2, 6, 4, 66, 647] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 33
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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A small boy came running out o...

A small boy came running out of the bathroom in tears.
"What's the matter?" asked his father.
"I dropped my toothbrush in the toilet."
"Okay, don't worry, but we'd better throw it out."
So the father fished the toothbrush out of the toilet and put it in the garbage. When he returned, the boy was holding another toothbrush.
"Isn't that my toothbrush?" the father said.
"Yes," said the boy, "and we'd better throw this one out too, because it fell in the toilet four days ago."
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Sir Owen Willans Richardson

Born 26 Apr 1879; died 15 Feb 1959 at age 79.English physicist who was awarded the Nobel Prize for Physics in 1928 for “his work on the thermionic phenomenon [electron emission by hot metals] and especially for the discovery of the law named after him.”This effect is why a heated filament in a vacuum tube releases a current of electrons to travel an anode, which was essential for the development of such applications as radio amplifiers or a TV cathode ray tube. Richardson's law mathematically relates how the electron emission increases as the absolute temperature of the metal surface is raised. He also conducted research on photoelectric effects, the gyromagnetic effect, the emission of electrons by chemical reactions, soft X-rays, and the spectrum of hydrogen.«
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