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Un article trouvé pour ce sujet.
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A reel of paper |
2011-06-03 |
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keith pose la question :
if a full reel of paper has 7750 metres on it with a diameter of 1240mm and a core diameter of 100mm how can work out the thickness of each strip of paper therefore allowing me to work out the metreage of the roll when its half in diameter at say 620mm
Penny Nom lui répond. |
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