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1 janv. 2015 - I was always pretty good at math but i really started to excel at it in 5th grade when I was about 11.

Description:

This is an example of Concrete Operational Stage because I started to be good at math and logical thinking and got ahead of everyone else.

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Ole's Timeline

19 févr. 2020

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1 janv. 2015

Maintenaint

~ Il y a 10 ans

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