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Find number abc

If cb293 - c0c77 = 5a1b find number abc. Multiple solutions may exist.

Correct answers: 1

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A Cell Number

What do you call a number that can't keep still?
A roamin' numeral.

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Yangtze River blocked for new dam

In 1997, Chinese engineers completed the blocking of the Yangtze River, the first step toward what would be the world's largest hydroelectric dam project.*

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