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Calculate the number 2487

NUMBERMANIA: Calculate the number 2487 using numbers [7, 2, 5, 3, 38, 152] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 7

The first user who solved this task is Nasrin 24 T.

#brainteasers #math #numbermania

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Follow in my footsteps...

On the way to preschool, a doctor had left his stethoscope on the car seat, and his little girl picked it up and began playing with it.

"Be still, my heart," thought the doctor. "My daughter wants to follow in my footsteps!"

Then the child spoke into the instrument, "Welcome to McDonald's. May I take your order?"

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Auguste-Arthur de La Rive

Died 27 Nov 1873 at age 72 (born 9 Oct 1801).Swiss physicist who was one of the founders of the electrochemical theory of batteries. He began experimenting with the voltaic cell (1836) and supported the idea of Michael Faraday that the electricity was the result of chemical reactions in the cell. He invented a prize-winning electroplating method to apply gold onto brass and silver. He determined the specific heat of various gases, examined the temperature of the Earth's crust, and made ozone from electrical discharge through oxygen gas. He was a contemporary of Faraday, Ampere and Oersted, with whom he exchanged correspondance on electricity.Image: As a demonstration to explain the rotatory movements observed at the time of the aurorae boreales by the influence of the terrestrial magnetism, De La Rive assembled an apparatus using an egg-shaped evacuated glass chamber on an electromagnet.

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