mquidech 10 Posted September 9, 2012 Partager Posted September 9, 2012 SALAM Le plus vite - 3 X 2 On part du nombre 5. On a le droit de multiplier par 2 ou de soustraire 3, autant de fois que l'on souhaite. En combien d'opérations peut-on atteindre 23 le plus rapidement possible ? Citer Link to post Share on other sites
das Leben 10 Posted September 9, 2012 Partager Posted September 9, 2012 5-3 = 2 2 x 2 x 2 x 2 = 16 16 - 3 = 13 13 x 2 = 26 26 - 3 = 23 Qui dit mieux? :mad: Citer Link to post Share on other sites
lionsyrien 10 Posted September 9, 2012 Partager Posted September 9, 2012 5-3 = 2 2 x 2 x 2 x 2 = 16 16 - 3 = 13 13 x 2 = 26 26 - 3 = 23 Qui dit mieux? :mad: bien simple 2.....3 accouplé dans l'ordre donne 23 Citer Link to post Share on other sites
das Leben 10 Posted September 10, 2012 Partager Posted September 10, 2012 bien simple 2.....3 accouplé dans l'ordre donne 23 Ouais :huh: Citer Link to post Share on other sites
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