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Find number abc

If c7a57 + ac7b2 = 812ab find number abc. Multiple solutions may exist.

Correct answers: 25

The first user who solved this task is Nasrin 24 T.

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Todd Barry: Summer School

I never understood the concept of summer school. The teachers going to go up there and go, OK, class, you know that subject you couldnt grasp in nine months? Were going to whip it out in six weeks.

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A.A. Griffith

Died 13 Oct 1963 at age 70 (born 13 Jun 1893).Alan Arnold Griffith was a British aeronautical engineer. During the late 1920s, A.A. Griffith and F. Whittle independently made the first practical proposals for the use of gas turbine engines in aircraft. Griffith concentrated on developing an axial flow compressor, and in 1929 he proposed a gas turbine engine driving a propeller, the so called turbo-prop engine. Earlier, in 1917, with G.I.Taylor, he published a pioneering article on the use of soap films in solving torsion problems. In 1920, he published a seminal article on the theory of the brittle fracture. At Rolls Royce (1939-60) he designed turbojet engines, and in the 1950s, vertical take-off aircraft. He developed the remarkable "flying bedstead" which first flew in 1954.

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