MAGIC SQUARE: Calculate A*B-C
[6749] MAGIC SQUARE: Calculate A*B-C - The aim is to place the some numbers from the list (4, 6, 7, 15, 17, 18, 35, 37, 38) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B-C. - #brainteasers #math #magicsquare - Correct Answers: 14 - The first user who solved this task is Nasrin 24 T
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (4, 6, 7, 15, 17, 18, 35, 37, 38) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B-C.
Correct answers: 14
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #magicsquare
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Pray Before Eating

Everyone was seated around the table as the food was being served. When little Logan received his plate, he started eating right away.
"Logan, wait until we say our prayer," his mother reminded him.
"I don't have to," the little boy replied.
"Of course you do," his mother insisted, "we say a prayer before eating at our house."
"That's at our house," Logan explained, "but this is Grandma's house and she knows how to cook."

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Lewis Fry Richardson

Died 30 Sep 1953 at age 71 (born 11 Oct 1881). British physicist and psychologist who first applied mathematics to accurate weather prediction. Richardson applied the mathematical method of finite differences to predicting the weather (1922). In his life, he held various posts: at the National Physical Laboratory, the Meteorological Office, and several university posts in physics or technology. Also, he was a chemist with National Peat Industries and in charge of the physical and chemical laboratory of the Sunbeam Lamp Co. Early application of mathematical techniques for systematically forecasting the weather were limited by extensive computation time: three months to predict weather for the next 24 hours. With electronic computers available after WW II made his methods became practical. He wrote several books applying mathematics to the causes of war. He contributed to calculus and the theory of diffusion for eddy-diffusion in the atmosphere. The Richardson number, a quantity involving gradients (change over distance) of temperature and wind velocity, is named after him.
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