Page 38 - 高中数学小题狂做·必修第一册RA·提优版
P. 38
,+ !! /0$1
! !23456 8. !789 !
!
!
. & ! "
, ., * # RS.,( , # Æ0M@(
+$ * ' $ + # #
/ !"#
! ) " Ö! # " x# .( <} 4 ! $ " ! . -., *.# y7;Ù.¿ËnGÅÍl"# "!
#$ # ' $ ' < #
0 !"#
! $ (# "! $ () " Q"# " !. $454*
# ) $ (" ) #
/ * ' $ + # #
RS 4 ! $ " ! .
$ ( .$ $# .(# # # ' $ ' <!
0 #
RS-* ' $ + #.# 4 ! $ " !# ) $ (" ) # RS 4 ! $ "
9&'
!4 ! " " !*!
#
-#'$'< .# 4 ! $ " !$ (.$$# .(#!
! . # . # $# .(# #
$ ( " (
#
,
.
" - #' '< .# È .(< # <'.'"# .#
#
Ö! $ (# "! $ () " !. C# "# " ! ! $ (# "! $ () " Q
#
4 ! $ " . . $# .(# ( "# " !. $Ð3nG®($ " $ # Ö4Bx# $ "+
9&'!4! " !(
# #
#
,
#
. # + ) + $ # Æ 1ÉÊ# 3M@!
# - ,< # .,"# .# 4 ! $ " !4 ! < " !
9&'
#
!
"! g$! " " I( # $ " $45ij×@# *2Ï($
(, .$),! ! & , " #
.
!"
RS@x# 4 ! $ " !9&' * # ( . # $# .(# # RS #$ y% " # & & @`Ç#
9&'
,
!"
RS #" ! & # <(# & ! & # ^C& !#!
(, . 1 !
$),
! # " I $ ) # $ " ($)'" * $$% " " & /
#
!
#
/ (, .$), ( * # # ) #
. #
.
颚
Ö ( $# .(# ( * # ^C-<'.',$##.#
, $ ) # &$ (- )' "*$ $% " " & /#
#
0 .( < # ) #
- $ (" - $ $" y$ $%
" "
#
/#
9&'!* (
4 ! $ " Æ& ( # $ # }& ' # $ ) # &
#
/ (, .$), + * # - $ (" " " - # #-
!
© + $ " ! # ! ( ! ( " $ # $$
. # # # $ # $ # +
Ö (, .$), +( $# .(# # 2C! .("# " +
.
, " "
!
) #
0 .( < # % # &
* 9. #^( RS +$ 9:;! +! " ! #- # RS& ( #- !
#
!"
/ ( . # $# .(# + * # - + +
#
-
"
, © / ! $ " ! - $ $" ! " ! $ " ( #- # $
#
颚
Ö . . # - .,,$##.# # $ # $ # +
(, .$), (( $# .(# #
" "
, $% # &
#
0 .( < # ) #
9&'! /! " !2 # RS& ' 2!
4 ! $ " . # $# .(#! RS/ ! $ " "
#
9&'!(
,
#-
@x 4 ! $ " @# ' & ' 2!
9&'!
+
/ * # < '.' ,$## # %! g$! " " -& !-.#! $ " ! $ (- $ (<!
#
颚
#
. . # ©7 ! + # $ "# I(7 (- 7 (< ( *$^(7 '("Ñ
#
!
颚
0 ( , $# .(# # ., ,$##!
7 ( < #
$
!"' ! LM#$'!EFG RS)'(" ! Ë" Ñ)( < # Æ$ ( "$56 7 )# #
$
% !"&
" NOPQRLM#$E#$# RS #+ # $ ( *$^Á(% "$56 7 )# # $= " !
!
! # " ©) ! + , $ " !B6% $ # $ $# # 1) $ % (" # "
!! !!.03 ! -.!*.#! $(# "! $() " !* # RS$ "
"# " ! #+ , $ $¦¨E(/ ! ) " ! )( &) (< #
% !"&
#
!# # $ #!) # Æ .M@(
) $ % (" # " & $¦¨E!
Ê! $ (# "! $() " !. ($ (- $$<(.!* #
#
- & $ ! (" # " "# (#+&+# .# / ! ) " !
ÖÊ0L<Z$#gC! !#-(, ! <( . " !"$ # 9&'