MAGIC SQUARE: Calculate A-B-C
[5685] MAGIC SQUARE: Calculate A-B-C - The aim is to place the some numbers from the list (4, 5, 6, 9, 10, 11, 14, 16, 17, 20) 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: 24 - The first user who solved this task is Nílton Corrêa De Sousa
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MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (4, 5, 6, 9, 10, 11, 14, 16, 17, 20) 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: 24
The first user who solved this task is Nílton Corrêa De Sousa.
#brainteasers #math #magicsquare
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A wife woke in the middle of t...

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"Yes, of course," she replied.
"Well, I would have been released from jail this afternoon!"
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Edison patent

In 1902, Thomas A. Edison was issued a U.S. patent for a "Reversible Galvanic Battery" (No. 692,507), a design for a permanent battery with a large capacity per unit of weight. Finely divided cadmium is used as the oxidizable element. An oxide of nickel or cobalt is used as the depolarizer, mixed with a flake-like conducting substance such as graphite. According the patent, "the oxid of nickel or cobalt is raised to a superperoxid condition when charged. In discharging the nickel or cobalt oxid will be reduced to a lower state of oxidation, while the metallic cadmium will be oxidized." The active materials are packed under pressure in perforations of a conducting plate. The nickel oxide is preferred as less costly and less soluble in the alkaline electrolyte.
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