Le présent document est pour l'essentiel fondé sur le document ECE/TRANS/WP.29/GRRF/2006/4 et fera l'objet d'un examen final lors de la session extraordinaire du GRRF, qui se tiendra le 19 juin 2006.

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Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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This document is mainly based on ECE/TRANS/WP.29/GRRF/2006/4 and will be subject to final review at the special GRRF session scheduled to be held on 19 June 2006.