URGENT VA ROG..............

URGENT VA ROG class=

Răspuns :

card Sn=n!;

a) n!=24;
1×2×3×4=24=>n=4;

b) n!=720;
1×2×...×5×6=720=>n=6;

c) n!=5040;
1×2×...×6×7=5040=>n=7;