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Find number abc

If c8989 - caccb = a876 find number abc. Multiple solutions may exist.

Correct answers: 12

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Running out of money

The only exercise i've done this month is running out of money.

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Periodic table

In 1869, Dmitry Mendeleev published his first version of the periodic table of the elements. He was a Russian chemist who developed the periodic classification of the elements. In his final version of the periodic table (1871) he left gaps, foretelling that they would be filled by elements not then known and predicting the properties of three of those elements.

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