لوح بليمبتون 322
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Image: Credit Librado Romero/The New York Times
Image: Mathematician Dr Daniel Mansfield with the Plimpton 322 tablet. Photograph: UNSW/Andrew Kelly
Image: http://www.alphr.com/technology/1006759/3700-year-old-babylonian-tablet-solved-revealing-true-birth-of-trigonometry
Image: https://www.printingoffice.net/en/
Image: https://insulation.com.au/thermal-calculations-section-j-compliance/
