Page 30 - 高中数学小题狂做·必修第一册·提优版·SJ

! , !! /0$1 !23456!789 !
!
!
!
"
8&'! # 颚 & # !# 颚 & !
"
(4 #$ # " #! " !) & $ " !" " # ! & $" !
#
)
)
" " "
G) & $ ( & $" ! F ' & + "H! , 颚 & , ) & $ !
) ) )
颚
2(,) 2$,) "
颚
`@ + & + ! (4 ' & + " !
= = )
" " "
G) & $ + & $" ! F + & + H! , 颚 & , & $" !
) = )
" "
`@2(,) + & + 2$,) ! (4 + & + !
颚
颚
= )
!
" -
hb! ‡,&*jklmK "- ) " !
!
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%& &
!! _`cdeŠ"#$%&¯£¤# °#"#$‹Œf# ¬š]±²"#¦E$¬š\# ³´\]"#¦
!"
E$³´\# "# #$ ! $ $ & $‹Œf# gh"#‹Œf]"#yµ¶·@$¦E$š\# cde¸¹Qº
$
»¼½! &
&
7 > ? @

€>,;
!& wx"# #$ " ! ! $ ( $ "! $ $ &$ $ ' " $45¾Ÿ¿À$!#*2# 1& $ ' !!!!! ("# " ! #$ $¦¨E
#
!"
#
!
( !!!!!
!
!
!
"& wx"# #$ " !5' "( $ # 1ŽI #$ " $ #"() $ " ( *$^Á( ! !! "
"$ $
% # $<" 0/ ! " " & % " # " % # "
"
" #
#
#
./ # ) # 1/ , ) 3/ # )
%& wx #$ ƒ%&y% (, # , & @$Š"## -$ , *.#! $ " !( $ $, $ # 1ŽI ##$ "& + #$ $^Á(
!"
!"
%!
#
#
! !! "
./ ! () # * " - ! ) # , & 0/ ! (, # () " - ! (" # * " - ! " # ) "
1/ ! (" # * " - ! " # # " - ! # # ) " 3/ ! (, # () " - ! " # # " - ! # # ) "
#
,
!"
'& # ?‚&$ wx"# #$ ! $ $# $ $ & ! $ $# " $E'(% . # $< "# 1#&Â#. $€EB¼( ! !! "
$ $"
#
./& !* # .!* 0/& !" # .!" 1/& !) # .!) 3/& !颚 # # .!颚 #
!"" ! AB#$CD'!EFG
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""# !"#$ #
Hƒ!"'!"|„8]^,4N!"! hE.A †‡ˆ‰Š‹Œ,ŽD‘,BI<Š‹! 
’ABCHƒ!",%&DED“”•†‡ˆ,Œ'–A—˜‡a! ™% Hƒ!"&&&Hƒš' ! Hƒ!"
›œ+:!",žŸ ¡! ¢œ£¤Hnop" ";q$,"¥rsZ[! ¦§¨c*+©&,-.34! #

#
( ) * +

$
"
/ ! "(" # $ ' * #
!
!
!
!
!! ,! ! !"# #$ " !. # + $ " !56 7 & $(" "# &, "! " ##*"= " $E( !!!! ( # )"#
0 !
#$ (# "# $ , * #
!"
!
/ ! $ " ! #$ " ( +$ Ã0)<Ä3# 1#&$€E‚ƒ !!!!!