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Find number abc

If b6146 + ab114 = 5ca60 find number abc. Multiple solutions may exist.

Correct answers: 76

The first user who solved this task is Djordje Timotijevic.

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Chilling with Eskimos

Q: What do Eskimos get from sitting on a block of ice?

A. Polaroids.

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Boron

In 1808, Humphry Davy announced in a paper read to the Royal Scociety that he had separated the element boron. Davy had taken boric acid with potassium in a copper tube and heated it to dull redness for fifteen minutes. The resulting olive-gray powder did not effervesce with water or acids, indicating that the potassium had disappeared. However, working independently, French chemist, Joseph Louis Gay-Lussac had announced the same accomplishment nine days earlier, on 21 Jun 1808.«*

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