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Find number abc

If 9ab53 + 46c95 = c4424a find number abc. Multiple solutions may exist.

Correct answers: 53

The first user who solved this task is Manguexa Wagle.

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Surgery on CCTV

In 1947, the first closed-circuit broadcast of a surgical operation showed procedures to observers in classrooms. Dr. Alfred Blalock, at Johns Hopkins Hospital, Baltimore, Md., demonstrated two operations on the heart. Two more heart operations were also seen, and one on nerves of the spine.

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