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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (1, 18, 20, 23, 27, 29, 32, 39, 41, 43, 46, 74) 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: 1

#brainteasers #math #magicsquare

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Sir Joseph Dalton Hooker

Born 30 Jun 1817; died 10 Dec 1911 at age 94. English botanist and explorer who was assistant on Sir James Ross's Antarctic expedition and whose botanical travels to foreign lands included India, Palestine and the U.S., from which he became a leading taxonomists in his time. His Student's Flora of the British Islands became a standard text. He was a great friend of Charles Darwin, and they collaborated in research. With Charles Lyell, Hooker encouraged the publication of Darwin's theory of evolution. He served (1855-65) as assistant director to his father, Sir William Jackson Hooker, of the Royal Botanic Gardens at Kew, whom he succeeded as director for another 20 years. He was also a president of the Royal Society. At age 94, he died in his sleep and was buried at Kew.«

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