Page 130 - Fixtures
P. 130
@ @QQU@ @ÖïÐaínÜaì@Þî†bjnÜa@ @
. 129 .
.C(6, 4) = 6 × 5 = 15
2×1
. 9 ()
.
C(8, 3) = 8 × 7 × 6 = 56
3!
