Răspuns:
362.880
Explicație pas cu pas:
[tex]1 \times 2 \times 3 \times 4 \times 5 \times 6 \times 7 \times 8 \times 9 = [/tex]
[tex]2 \times 3 \times 4 \times 5 \times 6 \times 7 \times 8 \times 9[/tex]
[tex]6 \times 4 \times 5 \times 6 \times 7 \times 8 \times 9[/tex]
[tex]24 \times 5 \times 6 \times 7 \times 8 \times 9[/tex]
[tex]120 \times 6 \times 7 \times 8 \times 9[/tex]
[tex]720 \times 7 \times 8 \times 9[/tex]
[tex]5040 \times 8 \times 9[/tex]
[tex]40320 \times 9[/tex]
[tex]362880[/tex]
