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21 авг 1972 г. - Scantron

Описание:

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

Добавлено на ленту времени:

EME

ByDayanira Feliciano

14 ноя 2017

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0

565

Дата:

21 авг 1972 г.

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~ 53 г назад

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