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bjr
on calcule - mais ce calcul..
E = 7 x 1/9 x 6/21 = 7/9 x 2/7 = 2/9
:)
Hello !
E = 7 * 1/9 * 6/21
= 7/9 * 6/21
= 42 / 189
= 2/9
bonne journée
bjr
on calcule - mais ce calcul..
E = 7 x 1/9 x 6/21 = 7/9 x 2/7 = 2/9
:)
Hello !
E = 7 * 1/9 * 6/21
= 7/9 * 6/21
= 42 / 189
= 2/9
bonne journée