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Mathématiques > Enigmes / Solution Enigme n° 16 : "avec des 2" Accueil Mathématiques


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Solution proposée par :  KISSI Dounya, 504, novembre 2009.
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page Enigmes
(2 - 2) + (2 - 2) = 0

2 - 2 + 2 : 2 = 1

2 : 2 + 2 : 2 = 2

(2 x 2 + 2) : 2 = 3

2 x 2 x 2 : 2 = 4

2 : 2 + 2 x 2 = 5

2 x (2 + 2) - 2 = 6

(2 + 2) x 2 + 2 = 10

(2 + 2 + 2) x 2 = 12

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