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Find number abc

If b53c5 - b4bac = bb85 find number abc. Multiple solutions may exist.

Correct answers: 22

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

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A mother-in-law sent two ties...

A mother-in-law sent two ties to her son-in-law. Some weeks later, she was invited for lunch, and so he wore one of them in the hope of pleasing her.
The meal was a tense and uncomfortable one, with the mother-in-law maintaining a stony silence.
Finally she spoke. "Alright, what's wrong with the other tie?"

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Charles Proteus Steinmetz

Died 26 Oct 1923 at age 58 (born 9 Apr 1865). German-American electrical engineer and inventor whose theories and mathematical analysis of alternating current systems helped establish them as the preferred form of electrical energy in the United States, and throughout the world. In 1893, Steinmetz joined the newly organized General Electric Company where he was an engineer then consultant until his death. His early research on hysteresis (loss of power due to magnetic resistance) led him to study alternating current, which could eliminate hysteresis loss in motors. He did extensive new work on the theory of a.c. for electrical engineers to use. His last research was on lightning, and its threat to the new AC power lines. He was responsible for the expansion of the electric power industry in the U.S.

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