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1 янв 1972 г. - Scantrons are invented

Описание:

Every one's favorite test form is created with the purpose of being able to automatically grade multiple choice exams

Добавлено на ленту времени:

Technology in Schools

ByKris Lessinger
2 ноя 2017

Дата:

1 янв 1972 г.
Сейчас
~ 52 г назад

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