Find number abc
If ac89a - 45ab8 = ca258 find number abc. Multiple solutions may exist.Correct answers: 7
#brainteasers #math
Heart surgeryIn 1952, the first surgical operation in the U.S. to expose the heart's mitral valve for a prolonged time was undertaken by Dr Forest Dewey Dodrill at the Harper Hospital, Detroit, Mich. The patient, a 41-year-old man, was provided with The Michigan Heart as a substitute for the lower left ventricle. |