内容正文:
选修2-2
选修2-3
数
学
B
!"!#
!
&STUV
!"!#!"
!
"FGHE
!
IJK
"
"!
eGz;<�+^
)
3
)4
!
"
$+
4$"
"
4
)
'
#
æw
"+
Åx
*
+�ÿ9f
!
@
4#,$"
)
!
/�Æe;<lV
!
¡
3
),$"
$+
,$)
I��+:
"
!!
#
,-".
"
3
),
!
"
$+
,$"
#
*"+E+
,$"
/-3E3
),
$=E+
,
1-
"
3
),
!
"
$+
,$"
#
$"2E3
),
!
"
$)E+
,$"
4-+
"
3
),
!
"
$+
,$"
#
*"+E3
),
!
"
)!
eGz;<�+^��
)
@
4
:�§G)
!
'
4
$
&
4
æw
'$
&
Åx
*!
&�ÿ9++^)
!
��++�:
"
!!
#
,-
lV
4#,
"
,
)
'
2
#!
+^
4#,$"
)��(ÉÊ
/-
lV
4#,
"
,
:�§G
#!
+^
4#,$"
)��(ÉÊ
1-
lV
4#,
"
,
:�§G
#!
+^
4#,$)
)��(ÉÊ
4-
lV
4#),$"
"
,
)
'
#!
+^
4#,$"
)��(ÉÊ
+!
�
4
ÏÎ[
#
"
4
#
¾¡�a
!
7�
4$"
ÏΡ�a+¾G
#
"
4$"
#
/
"
!!
#
,-
#
"
4
#
$4$" /-
#
"
4
#
$4 1-
#
"
4
#
$4*" 4-
#
"
4
#
$4*)
3!
|}
#
"
4
#
#
"
)4$5
#0
+
4
$=
!
¼&��G
/
!
ÆÇ¡¢£
4
)
'
2
!
ZæÆ
/
Åx
#
"
4
#!
7Âp+
/
+�/
"
!!
#
,-+( /-). 1-+. 4-.
2!
¡¢£
4
)
'
2
!
+
34$)
$+
)4$"
Zæw
"3
Åx
!
7�+��G
+#
!!!!
!
.!
|}�
,
ÏÎ+?�¨/
#
"
,
#!
7�
,$"
ÏÎ+?�¨
#
"
,$"
#
Y
#
"
,
#
+\�:
#
"
,$"
#
#
!!!!
!
5!
V
,
"
,
&
3
#
YZ[
#
"
,
#
b¡�×
!
7
,$"
YZ¡�×+bG/
#
"
,$"
#
#
#
"
,
#
$
!!!!
!
$
0!
eGz;<�+^
$
"*)$3*0$
+
$
"
*"
#
4*"
0
)
4*"
#
"
*"
#
4*"
0
)
4
+
$
"
+
"
4
)
'
#
!
3)
选修2-2
选修2-3
数
学
B
$$
=!
eGz;<�+^
$
@
4
/��G)
!
#
"
4
#
#+
)4$)
*04*=
æw
.3
Åx
!
$$
"(!
&A×?[
4
¾xa
!
ef$·¾xa±&q(S
!
\�$;xaZo±&qË(S
!
r+
$
<
4
¾xaðL"¹&+A×¥É
4
)
$4$)
)
b�´
!
2)
$$
!"!#
!
%\]^_
!"!#!"
!
"FGHE
!
IJK
"
!!5
!
"!-
!
!
23
"
#4
3�y*
#
"
4$(
#
#
(
±Ð»���y*%3
()&
#
µ|
()+!
$%&
-!
#!-
!
!
23
"
s}��~D
#
ôs}
4)+*%
Y�YJ
#
��~û-�Í�0���YJ
#
$
&
!
4)+
"
$
&
!
4
"
)+)4)+*%$
&
!
4
"
)4*+!
$%&
-!
$!-
!
!
23
"
G3
&
!
+
"
$%7
#
&
!
&
"
$+',$%4%7
#
&
!
%
"
$%7'$+'4%7
#
HI
&
!
+
"#
&
!
&
"#
&
!
%
"
mn
%7
k�
#
<�u�-
+
93
%7!
%!8
!
!
23
"
"
4$+
#
#
%
7
)%
%
mn
+1
k�-*3
%$%
n
8
#
"
%$%
�
4$%
#
#
%
+'
)%
8
dmn
+1
k�
#
$
%$8!
&!
&
!
(
"
)
%!
'!(*+
!
(!
!
)!
2"�
'
"
"
4$+
#
#
&
!
+
"
$%
1
*,*9$71
#
tAab��
!
#
sB"
4$(
#
#
&
!
(
"
$%
&()&
*,(*9
mn
71
k�
!
4}
%
&
!
()+
"
)&
*,
!
()+
"
*9
$9
!
%
&()&
*,(*9
"
)9
$
,()9
$
9*,
!
()+
"
*9
$9
!
%
&()&
*,(*9
"
)71
!
()+
"
7
&
!
()+
"
$9
&
!
(
"
)71
!
()+
"#
(4$()+
#tA��