Find number abc
[3415] Find number abc - If 80b4a - aa5ba = c4cb0 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 51 - The first user who solved this task is Linda Tate Young
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Find number abc

If 80b4a - aa5ba = c4cb0 find number abc. Multiple solutions may exist.
Correct answers: 51
The first user who solved this task is Linda Tate Young.
#brainteasers #math
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A 2006 study found that the av...

A 2006 study found that the average American walks about 900 miles a year.
Another recent study found that Americans drink an average of 22 gallons of beer a year.
That means, on average, Americans get about 41 miles per gallon.
Not Bad.
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John Henry Dallmeyer

Died 30 Dec 1883 at age 53 (born 6 Sep 1830).German-British inventor and manufacturer of lenses and telescopes. He introduced improvements in both photographic portrait and landscape lenses, in object glasses for the microscope, and in condensers for the optical lantern. Dallmeyer made photoheliographs (telescopes adapted for photographing the Sun) for Harvard observatory (1864), and the British government (1873). He introduced the "rapid rectilinear" (1866) which is a lens system composed of two matching doublet lenses, symmetrically placed around the focal aperture to remove many of the aberrations present in more simple constructions. He died on board a ship at sea off New Zealand.[Image: Dallmeyer 10x8 Rapid Rectilinear Brass Lens for a large format camera.]
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