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Find number abc

If a41ab - 83acb = 1b23b find number abc. Multiple solutions may exist.

Correct answers: 29

The first user who solved this task is Nílton Corrêa De Sousa.

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Revolving restaurant

In 1962, the Seattle World's Fair on a 74-acre site, Seattle, Washington, was opened by remote control by President John F. Kennedy from Palm Beach, Florida. The Space Needle - a 600-ft steel and glass tower - was erected as its dominant central structure. When built in 1962, it was the tallest building west of the Mississippi River. The first revolving restaurant in the mainland U.S., the "Eye of the Needle," was located at the 500-ft level. A 14-foot ring next to the windows carrying 260 seats rotates 360 degrees in one hour on a track and wheel system driven by a 1 horsepower motor. The restaurant is now named SkyCity.«[Image from a postcard.]

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