Find number abc
If aa8c5 - ab7a8 = 4c37 find number abc. Multiple solutions may exist.Correct answers: 36
The first user who solved this task is Manguexa Wagle.
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Charles DarwinIn 1857, Charles Darwin, now 48 years old, had not yet published his theory of evolution. On this day, he sent a letter to Asa Gray, a Harvard botanist, discussing his theory. The encouragement which followed from Gray and others, and new knowledge that Alfred Wallace had independently developed the same theory, prompted Darwin to end 20 years of indecision and publish his ideas. |