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Find number abc

If 9a7a9 - c5995 = 677bb find number abc. Multiple solutions may exist.

Correct answers: 17

The first user who solved this task is Nasrin 24 T.

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Anders Gustav Ekeberg

Born 16 Jan 1767; died 11 Feb 1813 at age 46.Swedish chemist who in 1802 discovered the element tantalum. A graduate of the University of Uppsala (1788) he began teaching at Uppsala (1794), introducing the chemistry of Antoine-Laurent Lavoisier. He continued his experiments despite partial deafness from a childhood infection and one eye blinded by an exploding flask (1801). His most notable student was Jöns Jacob Berzelius.

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