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Un article trouvé pour ce sujet.
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Counting stitches and changing units |
2007-08-28 |
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Lim pose la question :
Jack is making stuffed toys. Each toy needs 360 stitches. Ten stitches take 15 seconds.One toy needs
57cm of cotton for stitches. How many centimetres of cotton does Jack use in an hour?
Stephen La Rocque lui répond. |
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