Find number abcIf 9a76b + ba769 = acb5bc find number abc. Multiple solutions may exist.
Correct answers: 29
The first user who solved this task is Nílton Corrêa de Sousa.
Hugh L. DrydenDied 2 Dec 1965 at age 67 (born 2 Jul 1898). Hugh Latimer Dryden was an American physicistand deputy administrator of the National Aeronautics and Space Administration (NASA, 1958) for 7 years. He made pioneering studies in the aerodynamics of high speed and some of the earliest studies of air flow around wing surfaces at the speed of sound. During WW II he headed the Washington Project of the National Defense Research Committee, which developed the Bat radar-homing missile, the first successful U.S. guided missile, which was used by the navy against the Japanese during WW II. In 1962, he led negotiations for joint U.S.-Soviet space projects. He was instrumental in achieving the exchange of weather-satellite data and operation of cooperative communications satellite tests.