@ @pbjïØ Üa@ @QPP . 3 . 10 3 10 ) .2 1 0 . 210 −C(10, 0) −C(10,1) −C(10,2) = 968 15 [TFAOC] ( 10 . . 5 6 4 6 + 5 = 11 6 . [TFAOC] ( ) .C(11, 6) = 11! = 462 . . 6!×5! 10 8 5 MM .