8. r
p
pp
'($)`*`+$(`%)%`*)$%+$
`'`($,($`+(`-().`($*`
9. [
p
pp p
p p
!!p#$%!%
'()*'%#*+!+,%%'!
'-!-#!'.
D$*'/-%)0#*+0!
D!+--+1$!)0'/#!
-%$2'*+%'*%'3#
D*'1$-)0+%)'-4
!*'$)++1$#*%)(*+-
D %$*'%!!+*)2%'*+2%
D+)%+/$+-+1$
D
D+'-%$+-+%$%
10. |
p
pp p
p p
(`+$)/*`*(``++$0`1+$'%))/*`+$`+`($(
2% ' 3 4!56
` #
37!38
% '3748539:
` # ;
38!38
% '384853=:
41. u|
p
.
Dp#/+'!#%!)$#!'2+-+%F
%$!+$6%')-+1$2+*$-!7'!+-!+/#+$*'#0.
+-+1$2%!*5!0*'G7E)%*%'/%7'/+*'!2!%'
)+%
+-+1$!'+*$-+!$%' E2%!*5-%''%$+$*
'/+*'!2!%')+%
+-+1$!-*+2-+1$!%!$%+-%$*'%!#'/!
-($+*''/+*'!2!%')+%
+-+%$!'+1$0'%)H*'+-#$%!$%''/+*'!
2!%')+%
p p p
42. uÀ
p
.
Dp#/+'!#%!)$#!'2+-+%F
$!3#)!H-*'+-%#0+3#!-%$I+1$-%)J$$%'7
H*-%$I+1$-%''%$2%!*5%)72'+6+3##$%!
+/')!H-*'+-%
!*')+$!=K! -%''%$.
!24G-#!%#*+!+,%3#+*)$-$+%%D % pF
%)'#0!'+1$*'05%!+*)+$E--+1$
/%!+$ /+*'!%'#!*%'%*'+%'$(!++
*+!+,$%!)$1)*'%'+1$-%)0#*+0!E!-*+2%'7
'!+-#$0!$-+$E-*%'7+/#+$%!%%-'+*%$!
)$#!'2+-+% /+*'!%'#!*%'%*'+%'$(!++
p p p
43. u×
p
.
Dp#/+'!#%!)$#!'2+-+%F
!2!)%*%'*)'*#'$%')!%'-+1$E2'+6+3#!
'*#'!*')%**%#$%! !!$%' '6+3#!%
'#!*%
'+63#!%'-+1$!$%'%IG/$%$-+-!%-''%E$
-+-!%0+'*%'6+3#!%'#!*%
$'#$+*#-+1$),-!%0'E%0'2!%-)0+%
'#*!$%'%IG/$%
p p p