Replace the question mark with a number
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 129
The first user who solved this task is Thinh Ddh.
#brainteasers #math #riddles
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. |