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Find number abc

If 66aa4 - 439cb = aaa73 find number abc. Multiple solutions may exist.

Correct answers: 28

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

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A man went to the Police Stati...

A man went to the Police Station wishing to speak with the burglar who had broken into his house the night before.
"You'll get your chance in court," said the Desk Sergeant.
"No, no, no!" said the man. "I want to know how he got into the house without waking my wife. I've been trying to do that for years!"

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Wilhelm Hisinger

Born 23 Dec 1766; died 28 Jun 1852 at age 85.Swedish mineralogist who inherited his father's iron works, and pursued science privately. From one of his iron mines at Bastnäs came a mineral of unusually high density. Hisinger distributed samples to several European chemical analysts. After his examination in 1803, Martin Klaproth suspected it held a new element. That year, both Hisinger and Jöns Berzelius isolated the new element. They named it cerium in recognition of Giussepe Piazzi's discovery of the new minor plant, Ceres, two years earlier (1 Jan 1801). In 1806, Hisinger investigated electricity's effect on salt solutions. He contributed to the geological knowledge of his country, and recorded finds of its animal and plant fossils. He also amassed fine rock, mineral and fossil collections, which he eventually gave to the Swedish natural history museum.«

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