- 1 -
/
20
姹熻嫃鐪佸崡浜競銆佺洂鍩庡競
2017
骞撮珮鑰冧竴妯℃暟瀛﹁瘯鍗?/p>
涓�銆佸～绌洪锛堟湰澶ч鍏?/p>
14
灏忛锛屾瘡灏忛
5
鍒嗭紝璁?/p>
70
鍒嗭紟涓嶉渶鍐欏嚭瑙ｇ瓟杩囩▼锛岃鎶婄瓟妗堝啓鍦ㄧ瓟棰樼焊鐨勬寚瀹?/p>
浣嶇疆涓婏級
1
锛庡凡鐭ラ泦鍚?/p>
01
{
}
1
A
飥?/p>
-
,
,
锛?/p>
0
B
飥?/p>
飩?/p>
(-
,
)
锛屽垯
A
B
飥?/p>
_________
锛?/p>
2
锛庤澶嶆暟
z
婊¤冻
1
i
2
z
飥?/p>
飥?/p>
(
)
锛屽叾涓?/p>
i
涓鸿櫄鏁板崟浣嶏紝鍒?/p>
z
鐨勮櫄閮ㄤ负
__________
锛?/p>
3
锛?/p>
宸茬煡鏍锋湰鏁版嵁
1
x
锛?/p>
2
x
锛?/p>
3
x
锛?/p>
4
x
锛?/p>
5
x
鐨勬柟宸?/p>
2
3
s
飥?/p>
锛?/p>
鍒欐牱鏈暟鎹?/p>
1
2
x
锛?
2
2
x
锛?/p>
3
2
x
锛?/p>
4
2
x
锛?/p>
5
2
x
鐨勬柟宸负
__________
锛?/p>
4
锛庡鍥炬槸涓�涓畻娉曟祦绋嬪浘锛屽垯杈撳嚭鐨?/p>
x
鐨勫�兼槸
_________
锛?/p>
5
锛庡湪鏁板瓧
1
銆?/p>
2
銆?/p>
3
銆?/p>
4
涓殢鏈洪�変袱涓暟瀛楋紝鍒欓�変腑鐨勬暟瀛椾腑鑷冲皯鏈変竴涓槸鍋舵暟鐨勬鐜囦负
__________
锛?/p>
6
锛庡凡鐭ュ疄鏁?/p>
x
锛?/p>
y
婊¤冻
0
7
2
2
x
x
y
x
y
飥?/p>
飪?/p>
飪?/p>
飥?/p>
飩?/p>
飪?/p>
飪?/p>
飥?/p>
飩?/p>
飪?
锛屽垯
y
x
鐨勬渶灏忓�兼槸
_________
锛?/p>
7
锛庤鍙屾洸绾?/p>
2
2
2
1(
0)
x
y
a
a
飥?/p>
飥?/p>
飥?/p>
鐨勪竴鏉℃笎杩戠嚎鐨勫�炬枩瑙掍负
30
飩?/p>
锛屽垯璇ュ弻鏇茬嚎鐨勭蹇冪巼涓?/p>
__________
锛?/p>
8
锛庤
飦?/p>
飦?/p>
n
a
鏄瓑宸暟鍒楋紝鑻?/p>
4
5
6
21
a
a
a
飥?/p>
飥?/p>
飥?/p>
锛屽垯
9
S
飥?/p>
__________
锛?/p>
9
锛庡皢鍑芥暟
蟺
3sin(2
)
3
y
x
飥?/p>
飥?/p>
鐨勫浘璞″悜鍙冲钩绉?/p>
蟺
(0
)
2
飦?/p>
飦?/p>
飥?/p>
飥?/p>
涓崟浣嶅悗锛屾墍寰楀嚱鏁颁负鍋跺嚱鏁帮紝鍒?/p>
飦?/p>
飥?/p>
_________
锛?/p>
10
锛庡皢鐭╁舰
ABCD
缁曡竟
AB
鏃嬭浆涓�鍛ㄥ緱鍒颁竴涓渾鏌憋紝
3
AB
飥?/p>
锛?/p>
2
BC
飥?/p>
锛屽渾鏌变笂搴曢潰鍦嗗績涓?/p>
O
锛?/p>
EFG
鈻?/p>
涓?
涓嬪簳闈㈠渾鐨勪竴涓唴鎺ョ洿瑙掍笁瑙掑舰锛屽垯涓夋１閿?/p>
O
EFG
-
浣撶Н鐨勬渶澶у�兼槸
___________
锛?/p>
11
锛庡湪
ABC
鈻?/p>
涓紝宸茬煡
3
AB
飥?/p>
锛?/p>
蟺
3
C
飥?
锛屽垯
CA
CB
鐨勬渶澶у�间负
__________
锛?/p>
12
锛?/p>
濡傚浘锛?/p>
鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴涓紝
鍒嗗埆鍦?/p>
x
杞翠笌鐩寸嚎
3
(
1)
3
y
x
飥?/p>
飥?/p>
涓婁粠宸﹀悜鍙充緷娆″彇鐐?/p>
k
A
銆?/p>
k
B
锛?/p>
1
k
飥?/p>
锛?/p>
2
锛?/p>
鈥︼紝
鍏朵腑
1
A
鏄潗鏍囧師鐐癸紝浣?/p>
1
k
k
k
A
B
A
飥?/p>
鈻?/p>
閮芥槸绛夎竟涓夎褰紝鍒?/p>
10
10
11
A
B
A
鈻?/p>
鐨勮竟闀挎槸
_________
锛?/p>
