6 0 34 MB
=
∑∑ =
∑
≤
=
=
=
∑
≤
=
="
!!!
#
=
"
#
!!!
=
"
#
$
!!!
= ∑∑ =
∑
≤
=
=
=
≤
≤
" −
# =
!!! +
" >
" ≤
= " − ="
#
≤
=
!!!
#
#
− # =
≤
−
+
≤
=
!!!
=
)
! "*
=
!!!
%&' '! (
) '! +&!
* ,
* -
. / , 0 '
. & ' 0 . .
,
!#
. ' ' , 0 . / ,
. . & 0