29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
256686
22539
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
13h 36min, jan 18, 2004 y - learning to count
Description:
concrete operational Stage
Added to timeline:
9 Nov 2017
0
0
402
Jayme Orellana
project
Date:
13h 36min, jan 18, 2004 y
Now
~ 20 years ago
Images:
