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Find number abc

If b49a9 - c613b = bcc1 find number abc. Multiple solutions may exist.

Correct answers: 4

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My girlfriend told me to take...

My girlfriend told me to take the spider out instead of killing it.
We went and had some drinks. Cool guy. Wants to be a web developer.

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Ejnar Hertzsprung

Born 8 Oct 1873; died 21 Oct 1967 at age 94. Danish astronomer who classified types of stars by relating their surface temperature (or colour) to their absolute brightness. A few years later Henry Russell illustrated this relationship graphically in what is now known as the Hertzsprung-Russell diagram, which has become fundamental to the study of stellar evolution. In 1913 he established the luminosity scale of Cepheid variable stars.

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