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Find number abc

If cc77a - bbb87 = bbcab find number abc. Multiple solutions may exist.

Correct answers: 2

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Why did the mermaid cross the sea?

It is International Mermaid Day!

Why did the mermaid cross the sea?
To get to the other tide.

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Peter Apian

Died 21 Apr 1552 at age 57 (born 16 Apr 1495).German astronomer and geographer, also known as Petrus Apianus, whose major work was Instrumentum sinuum sivi primi mobilis (1534), in which he gave tables of his calculations of sines for every minute, with a decimal division of the radius.

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