# Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?Correct answers:

**675**The first user who solved this task is

**Snezana Milanovic**.#brainteasers #math #riddles

Correct answers: **675**

The first user who solved this task is **Snezana Milanovic**.

#brainteasers #math #riddles

## Emil ArtinBorn 3 Mar 1898; died 20 Dec 1962 at age 64. Austro-German mathematician who worked in algebraic number theory, made a major contribution to field theory, and stated a law of reciprocity which included all previously known laws of reciprocity (1927). He also worked on the theory of braids (1925), and on rings with the minimum condition on right ideals, now called Artinian rings (1944). Artin has the distinction of solving (1927) one of the famous 23 problems previously posed by Hilbert in 1900. With his Jewish wife, he left Nazi Germany in 1937, and worked at universities in the U.S. until 1956, when he returned to his home country.« |

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