Find number abc
If 95ccb - 3a4cc = 647a7 find number abc. Multiple solutions may exist.Correct answers: 61
The first user who solved this task is Djordje Timotijevic.
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RadiumIn 1902, Pierre and Marie Curie isolated one gram of radium, the first sample of the radioactive element. They had refined it from eight tons of pitchblende ore. |