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Find number abc

If b3cb3 - b0839 = a9a4 find number abc. Multiple solutions may exist.

Correct answers: 70

The first user who solved this task is Donya Sayah30.

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In the back of the Guinness Bo...

In the back of the Guinness Book of World Records it states "All records are currently held by Chuck Norris, and the records listed in this book are only the records of those people who have come closest to Chuck Norris' records."

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Albert Fink

Died 3 Apr 1897 at age 69 (born 27 Oct 1827).German-born American railroad engineer and executive who was the first to investigate the economics of railroad operation on a systematic basis. He was also inventor of the Fink truss, used to support the roofs of buildings and for bridges. Instead of being supported with an arch or cables, a truss bridge is held up with a latticework of rods that reinforce its stiffness, as shown (left) on the Louisville-Nashville Railroad Bridge constructed in 1857-1859 to span the Green River, Ky. (until destroyed in October 1861 during the Civil war.) His truss, patented in 1850, was one of the first intended to be built from iron instead of wood. He was involved in the construction of roundhouses for locomotives, and a courthouse in Louisville, Ky.

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