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Populaire Statistiques >

9P3

Solution

9 P 3

Solution

504

étapes des solutions

= \frac{n !}{( n - r ) !}

Insérer

n = 9, r = 3

= \frac{9 !}{( 9 - 3 ) !}

\frac{9 !}{( 9 - 3 ) !} = 504

= 504

Exemples populaires

6 P 1

C (11, 4)

n C r

std 221,645,538,941,269,893,703,536,823,651

s t d 221, 645, 538, 941, 269, 893, 703, 536, 823, 651

10 C 1