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Find number abc

If 81c13 - c2426 = 2ba87 find number abc. Multiple solutions may exist.

Correct answers: 24

The first user who solved this task is Nasrin 24 T.

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Very poor singers

Which country is filled with very poor singers?

Singapore.

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Heart transplant

In 1968, Dr. Denton Cooley of the Texas Heart Institute performed the first successful heart transplant in the United States on Everett Thomas, whose heart was damaged from rheumatic heart disease. The patient lived for 204 days with the heart donated from a 15-year-old girl. In 1969, Cooley became the first heart surgeon to implant an artificial heart in man.

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