Quantum redactiones paginae "Gradus anguli" differant

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(Paginam instituit, scribens ''''Gradus anguli''' vel '''Gradus sexagesimalis'''<ref>[http://books.google.at/books?id=RS4PAAAAQAAJ&pg=RA1-PA203&lpg=RA1-PA203&dq=gradus+sexagesimalis&source=bl&ots=Bi...')
 
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[[Categoria:Mensura]]
 
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[[ar:درجة (زاوية)]]