Find number abc
If 1bc55 + 9a41b = 1b3a65 find number abc. Multiple solutions may exist.Correct answers: 25
The first user who solved this task is Nasrin 24 T.
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Solar spectrumIn 1871, spectroscopic observations of an eclipse in India made by French astronomer Jules Janssen led him to propose that the corona, normally only visible during a solar eclipse, is a physical part of the Sun and is composed of both hot gases and cooler particles.Image: Illustrated London News, [60], 20 Jan 1872. |