Page 106 - Fixtures

@ @YQ@ @ÖïÐaínÜaì@Þî†bjnÜa@ @

. 15

x1 x4 x3 x2

. x6 x5 0 ≤ xi ≤ 3

x1 + x2 + x3 + x4 + x5 + x6 = 15 .3
.3
.i = 1, … , 6 :

54 3 .

9 .3 2

3
15

.

12 .C(6, 3) = 6! = 20 :

. 3! × 3!

15 .4

3 3 1
1
6 .2 :
.2 . 6 × 5 = 30
.5