Page 70 - Fixtures

@ @UU@ @ÖïÐaínÜaì@Þî†bjnÜa@ @

()
.

4 ()
. 13

C(13, 4) = 13! = 715 ()
4!×9!
7

C(7,2) = 7 ! = 21
2!×5!

6

C(6,2) = 6! = 15
2! × 4!

.C(7,2)×C(6,2) = 21×15 = 315 ()

C(7, 3)×C(6,1) +C(7,2)×C(6,2) + C(7,1)×C(6, 3)

C(13, 4) −C(7, 4)×C(6, 0) −C(7, 0)×C(6, 4)

. 665

. A,B,C,D,E,F,G,H 8 ()
()