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AlexandruAlex111111
a fost răspuns

Combinari de 1000 luate cate 2- combinari de 999 luate cate 2- combinari de 999 luate cate 1

Răspuns :

Nuamporecla1432
1000f/2f*998f=999*1000/2=499500
999f/2f*997f=998*999/2=498501
999f/1f*998f=999/1=999

f=factorial