Find number abcIf 4749a + 2b9b4 = ca4b2 find number abc. Multiple solutions may exist.
Correct answers: 45
The first user who solved this task is Djordje Timotijevic.
Sir Ralph FreemanBorn 27 Nov 1880; died 11 Mar 1950 at age 69.English civil engineer whose Sydney Harbour Bridge (1932), Australia, which with a main arch span of 1,650 feet (500 m), and a deck 160 feet wide is the world's largest (and among the longest) steel arch bridge, now carrying eight lanes of highway traffic, two train lines, a footway and a cycleway. Freeman also designed the Tyne Bridge, Newcastle, England, Victoria Falls Bridge over Zambezi River, Royal Naval Propellant factory, Furness shipbuilding yard in Lancashire, and five major bridges in the Rhodesias.