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Incorrect

Explanation

These songs are all sang by Nirvana.

Solve this puzzle

When i was 4 my sister was half my age. Now I am 100. How old is my sister now?

45 98 50 100

Prehistoric Mathematics

Here is our first article devoted to the history of mathematics. The article contains the analysis of the development of the numeral system in the prehistoric era and four main stages of the “number” concept evolution.

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answer earns you 1 point. Your goal is to score as many points as
possible and become a Math champion!
Remember, though: you can’t use a calculator while playing! We’re waiting for your visit!

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