Find number abc
[5148] Find number abc - If 4749a + 2b9b4 = ca4b2 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 45 - The first user who solved this task is Djordje Timotijevic
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Find number abc

If 4749a + 2b9b4 = ca4b2 find number abc. Multiple solutions may exist.
Correct answers: 45
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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The children had all been phot...

The children had all been photographed, and the teacher was trying to persuade them each to buy a copy of the group picture. "Just think how nice it will be to look at it when you are all grown up and say, 'There's Jennifer; she's a lawyer,' or 'That's Michael, he'sa doctor.'"
A small voice at the back of the room rang out, "And there's the teacher; ...she's dead."
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U.S. Naval Observatory

In 1830, the U.S. Naval Observatory, one of the oldest scientific agencies in the U.S., was established as the Depot of Charts and Instruments in Washington, D.C. Its primary mission was to care for the U.S. Navy's chronometers, charts and other navigational equipment. The first instrument installed was a 30-inch portable transit. Lieutenant Louis M. Goldsborough was the first officer in charge of the observatory. Today, the U.S. Naval Observatory is the preeminent authority in the areas of time keeping and celestial observing; determining and distributing the timing and astronomical data required for accurate navigation and fundamental astronomy.[Image: Officer-in-Charge of the Depot of Charts and Instruments 6 Dec 1830 - 11 Feb 1833, Lt Louis M. Goldsborough.]
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