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21 août 1972 - Scantron

Description:

The Scantron made it easier fr teachers to grade multiple-choice exams, hence saving them countless hours.

Ajouté au bande de temps:

EME

ByDayanira Feliciano
14 nov. 2017

Date:

21 août 1972
Maintenaint
~ Il y a 51 ans

Les images:

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