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Calculate a x b

Look at the series (156, 615, 561, a, 413, 341, 132, b), determine the pattern, and calculate a x b.

Correct answers: 61

The first user who solved this task is Slobodan Strelac.

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A few moments after the daughter announced her engagement, her Father asked, "Does this fellow have any money?"

"Oh Daddy, you men are all alike," sighing deeply, she replied, "That's exactly what he asked me about you."

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John Elliotson

Died 29 Jul 1868 at age 76 (born 29 Oct 1791).English physician who advocated the use of hypnosis in therapy and who in 1849 founded a mesmeric hospital. He was one of the first teachers in London to emphasize clinical lecturing and was one of the earliest of British physicians to urge use of the stethoscope, together with the methods of examining the heart and lungs which are used to this day. In 1823 acupuncture was mentioned in the first edition of the Lancet and in 1824 Dr. Elliotson began to use this method of treatment. In 1827 he published a series of results on the treatment of forty-two cases of rheumatism by acupuncture. In 1834 he became physician to the University College Hospital, where his interest in hypnosis led to conflicts with the hospital's medical committee and his resignation in 1838.

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