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Find number abc

If aa455 - bacb5 = b9c40 find number abc. Multiple solutions may exist.

Correct answers: 36

The first user who solved this task is Djordje Timotijevic.

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Lewis Mumford

Died 26 Jan 1990 at age 94 (born 19 Oct 1895). American architectural critic, urban planner, and historian who analyzed the effects of technology and urbanization on human societies throughout history.

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