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2013-10-14T19:15:16+02:00
Bonsoir

7² = 7 x 7 = 49
1,2² = 1.2 x 1.2 = 1.44
2^4 = 2 x 2 x 2 x 2 = 16
(-6)^3  = -6 x -6 x -6 = - 216
 (-3)^4
  = -3 x-3 x -3 x -3 = 81