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2014-09-29T19:35:29+02:00
A = 12 + 6 / 2
= 18 / 2
= 9

B = 12 + 6 / 2
= 24 / 2 + 6 / 2
= 30 / 2
= 15

C = 12 sur 6 / 2
= 12 / 3
= 3

D = 12 / 6 sur 2
= 2 / 2
= 1