@ @UY@ @ÖïÐaínÜaì@Þî†bjnÜa@ @
. 4 .
()
.
()
(A1, A2, A3) ()
.
.
(0, 0, 4) , (0, 4, 0) , (4, 0, 0)
.
(3,1, 0) , (3, 0,1) , (1, 3, 0) , (1, 0, 3) , (0, 3,1) , (0,1, 3)
3.
(2,2, 0) , (2, 0,2) , (0,2,2) ()
.
(2,1,1) , (1,2,1) , (1,1,2)
. 3 + 6 + 3 + 3 = 15
:
()