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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (24, 25, 26, 27, 31, 32, 51, 72, 74, 79) 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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Donald Douglas

Born 6 Apr 1892; died 1 Feb 1981 at age 88.Donald Wills Douglas was an American aircraft designer whose Douglas Aircraft Company produced military and civil aircraft. He graduating from the Massachusetts Institute of Technology as its first aeronautics student (1914), then consulted and designed for others until he founded his own business (1920). Over the years his company set the industry standard for reliability and safety. The DC series of commercial passenger planes, beginning with the DC-1 (which entered service in 1933) led to the DC-8, the first commercial jet airliner in 1958. In addition to military aircraft, the company also produced military missiles and spacecraft. The business merged with McDonnell Aircraft Company in 1967, and after his death, with Boeing in 1997.«

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