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Find number abc

If ca63a - 62b6b = 3257a find number abc. Multiple solutions may exist.

Correct answers: 37

The first user who solved this task is Djordje Timotijevic.

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Invisible man

Nurse: "The invisible man is here for his appointment."
Doctor: "Tell him I'm sorry I can't see him right now."

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James Bertram Collip

Born 20 Nov 1892; died 19 Jun 1965 at age 72.Canadian biochemist co-discovered insulin. He worked with Frederick Banting and Charles Best to refine a method of removing and purifying insulin. Working with the bovine pancreas, Collip produced insulin in a form which permitted clinical use. Together with his other contributions in endocrinology, including his isolation of the parathyroid hormone and establishing a bioassay for measuring serum calcium. He stands as a major figure in Canadian medical history.

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