bjr
2/3 - 1/6
= 2x2/3x2 - 1/6
= 4/6 - 1/6 = 3/6 = 1/2
et
15% de 40 = 0,15 x 40 = 6
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bjr
2/3 - 1/6
= 2x2/3x2 - 1/6
= 4/6 - 1/6 = 3/6 = 1/2
et
15% de 40 = 0,15 x 40 = 6