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Sagot :

AYUDA

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

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