Page 14 - 高中数学小题狂做·必修第一册RA·提优版

!
!
! 4 !! ()*+ !,-./0 5, !123!
!
!!% ! 456718967

!"* ! >WXYZ[!U\]YZ[!V6%9*:;<! " ,"

#$%&! "#'( !! )*+$4)
?
'
!! " ?@A$ &#&#µ¶-JÈ901=># %+ $#& " $ '1 $ , =~¹†"+ $#
>
& " $1 ) , =$¹†" &#$ & :È+ $ %
!!
,! ! $ ' $.+2 # -! ! $ ' +) . $2+* # *! ›œØ™A`
.! ! $ ' $1 ) # /! ! $ ' # 2 $2 ) # ¡“e! Iœ”•–—
˜At™ƒ–—˜A
(+ )
"! " &#&)ÄåG0901=># !"¹† 0 œ‚¡& 2 $ *2 2 " vw ('2 $ & `—>!
"
&! ›œ`že
,
2 ) " xy$ *4 $ & =$¹†" &'(' )l*mn+ !!!!! & ©ª•–'$ s†™ƒ
!
#! " &#&&E--Ã0]01q8íÊ># ¹†+ $# $ ' * 2 $2 & #" $ +& #2 # , + " ”•# –—˜A÷r
&
>
~¹†)56ïðu„Âcd+ $ % ˜A • – ÷ ” • " ™
!!
,! # 4 * ! -! # 4 ) .! # 4 & /! # 2 " ƒ# – — ˜ A ÷ ( ˜
(
(
$! " &#&#Äå-²9T08=># !"¹† 0 ? '#% " '(* . # " ¹† A > $#% " A! " n o p %! q &
A#
"
$ ( '$(* 1 # " % 0A K456+$¹†" &'(' )l*mn+ $ % )! ›œ`¦Šz!
&
!!
,! ! ' ' +& 2 '.+* # -! ! ' ' '2+& # " * #pqõ¦§%
.! ! ' ' +& 2 '2+* # /! ! ' ' '4+* # ®©mišh`s|
(
&
&! " &#&#½¾‘YZ[T]01=># !"¹† 0 ? $#% " $ ' +& ' $ ' ('' ›˜ h ` ! ý e ›!
'
" nop%! q* $ & $ ) $
# " % @ 0 +$¹†" &'(' )l*mn= !!!!!
2A#
(
&
'! " &#&#,I’¸9T01=># Œ¹† 0 ? $#% " $ +& $('+)'# " ¹† A ( " & #¨%'œ ˜
"
&
> $#% " $ +& $ '+2 % $(' (*0 * #! % 0A £=~¹†" |'( ' )l* hŠ•–÷®©m
&
mn! " þ# R¤$ s¨%®©
m’ž`ŸNýiŸ
‰ý#¤®©m! " n
op%! q& $ 2A#
"! ì+`z:
ÄѺÒ!
" > $#> $ ' 2
@ " $ # A '2 @ " $ # (
9:;
# > $#> $ ' 4
@ " $ # A '4 @ " $ # (
97<
$ ? $#> $ ' 2
@ " $ # A '2 @ " $ # (
97<
% ? $#> $ ' 4
@ " $ # A'4@ " $ # 9:;!
" nop%! q)A#