!"#$%
&'()(*+,&(-.&/,
&/0 !"#$%&'() *'()+,- .
/01 2"3'456728,9.
123454
67)(689&:;
:;$<6'=>?@
AB
<=;&>(?@+),&()&(A
CD0E CD'=
Quy đnh: !"#$%
& !""'(5 ch s thp phân sau du phy) !$*+#,-.
" !.%
BC76FG'H>E1IJ K671LM7N
%
9HO#7,P,)L#6Q')>R
%
S%$!0.
4)K6F671LM7N
+
9')>RO#7,P
+
S%$T0.4)6FG,IJ'K6Q'8#1LM79
')>RO#7,P12#7<)24N
%
U507076QN
+
.
/-."!0123
"'()(:(DE+,E,DF767&GH886I J,KC:
BC"7/V #77#0H$IW#X7"#"< GIQ'#)Y6CO#7,P6Q
5IZ"9)
Y
S)
C
S['70%&\:' @.]FE'")0H1+!' ^0.72<,P0H>_,`.
ab',c2<,PO#7,P6,P1V'5#=#+0HX,- d"< GIQ''b'Y$C1e1IJ
f$[' 6!$T' .
/-."1456*789!:%
%
"'()(:(DE+,E,DF767&GH886I J,KC:
BCL7,7X X'I96g.')PO()e'8 NS
π
+
%
:@$,V"h)eiSj&:k@$l
,V'H,VO)S: m@.V),V4=##,e),7X X'1)S+&&'70%&&\:]@
a. 9 `"h X'n
2. C-)o''IW,POL,Vp)# X'n
/-."1;<=>6:+;?
"'()(:(DE+,E,DF767&GH886I J,KC:
+
Y
C
BCMqdP X',V2#7 i$N$ K'E456Q#).')PO()e'8 'HV0E3'8 NS
π
!
%
:@l,V'H,VO)S[&$r
µ
m.V),V4h#,e),7X X'1)S+&&0:%&&
π
@
:]@.)'si,4"c7,-'IW,POL,V,X'3',X./'_0)t'u# X'1v',Hn
/-."1;<
Ω
!@A%
J,KC:
BC-qGXY6C'b',V/'p
%
Sf.%&
r
$p
+
Sf.%&
r
,IJ',G
77"7 _"IWIQ''t'HD0E,V _1r%.ab',c
13'IZb'=#p
%$
p
+
1<,V/'p
j
S%+.%&
r
,GX,- h"<
,IW")"3''u#YC'b'YC P>78w' .72<YCSf' .
/-."1/;"&%
"'()(:(DE+,E,DF767&GH886I J,KC:
j
p
%
p
+
BCNqdPx1x'"72#67>_#y"IW,)'H'8 oyCSw.%&
w
6Q6FE'2#
,e)6
&
S+$[.%&
[
: ^0@6)_H'6Q6x'Z'8 oy$>E1IJ'u#x1x'"71T$%.%&
j%
:>@.ab'
,c2b>/p)z,X7'u#x1x'"7"7y"IWn
/-."1"*
"'()(:(DE+,E,DF767&GH886I J,KC:
BCO7 Pt)>/Pl'H,PlS{[:O5@.G6F0bYC6)_H'6Q"l''/'u#
t)>/6'b't)>/ P>78%[' .ab',c6c"/6/'t'u#8Y|C|p)#t)
>/n
/-."1*%
"'()(:(DE+,E,DF767&GH886I J,KC:
w
BCP72P) j5E#)U5E456Q#)$ *5'H0)t,V,P1T]
6,V"h"71&$[k.E#'3''u#2P)6Q X'7'H,V"h1iX7
X'>/.-'_0)t<)lh X'71%[}9,V"hi58'Hb"c12#7<)n
/-."1;<=
"'()(:(DE+,E,DF767&GH886I J,KC:
BC dP__,#')-,P"<,7X,IWD #6Q6FE'w[> ^9M)EOE'6
')-,P#Oe,)6Q#E'&$w ^0
+
$6FE'>__M)E4OE'1!+> ^./')
O'u#OE'6W#M)EOE'.
/-."1BC#*D
"'()(:(DE+,E,DF767&GH886I J,KC:
[
BC"7 P5L/V "P[ $Or 6'#7j$[ .V,P5L~y%r
&
,4j+
&
9>E1IJ>/"75L0g#,`,2#7<)n724b50)t>/p)-1t%
# $5(•# 'u#>_>/€S+T.
/-."1"*
E
#$>F
"'()(:(DE+,E,DF767&GH886I J,KC:
f