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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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21 ago 1972 ano - Scantron
Descrição:
The Scantron made it easier fr teachers to grade multiple-choice exams, hence saving them countless hours.
Adicionado na linha do tempo:
EME
By
Dayanira Feliciano
14 nov 2017
0
0
563
Data:
21 ago 1972 ano
Agora
~ 53 years ago
Imagens:
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