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Find number abc

If 7babc + 9a2bc = 1cb272 find number abc. Multiple solutions may exist.

Correct answers: 22

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

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Rectangular TV tube production

In 1949, the first deliveries were made of the first practical rectangular television tube made in the U.S. The tubes were manufactured by the Kimble Glass Co., a subsidiary of Owens-Illinois, and sold for about $12. The display face of the tube measured approx. 12in. by 16in. The company had announced the tube to the trade on 10 Jul 1949.

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