2014
骞存禉姹熺渷楂樿�冩暟瀛﹁瘯鍗凤紙鏂囩锛?/p>
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
10
灏忛锛屾瘡灏忛
5
鍒嗭紝婊″垎
50
鍒?/p>
.
鍦ㄦ瘡灏忛缁欏嚭鐨勫洓涓?/p>
閫夐」涓紝鍙湁涓�椤规槸绗﹀悎棰樼洰瑕佹眰鐨勩�?/p>
锛?/p>
1
锛?/p>
锛?/p>
5
鍒嗭級璁鹃泦鍚?/p>
S={|
鈮?/p>
2}
锛?/p>
T={|
鈮?/p>
5}
锛屽垯
S
鈭?/p>
T=
锛?/p>
锛?/p>
A
锛?/p>
锛堬梗鈭烇紝
5]
B
锛?/p>
[2
锛?/p>
+
鈭烇級
C
锛?/p>
锛?/p>
2
锛?/p>
5
锛?/p>
D
锛?/p>
[2
锛?/p>
5]
2
锛?/p>
锛?/p>
5
鍒嗭級璁惧洓杈瑰舰
ABCD
鐨勪袱鏉″瑙掔嚎涓?/p>
AC
锛?/p>
BD
锛屽垯鈥滃洓杈瑰舰
ABCD
涓鸿彵
褰⑩�濇槸鈥?/p>
AC
鈯?/p>
BD
鈥濈殑锛?/p>
锛?/p>
A
锛庡厖鍒嗕笉蹇呰鏉′欢
B
锛庡繀瑕佷笉鍏呭垎鏉′欢
C
锛庡厖鍒嗗繀瑕佹潯浠?/p>
D
锛庢棦涓嶅厖鍒嗕篃涓嶅繀瑕佹潯浠?/p>
3
锛?/p>
锛?/p>
5
鍒嗭級
鏌愬嚑浣曚綋鐨勪笁瑙嗗浘
锛堝崟浣嶏細
cm
锛?/p>
濡傚浘鎵�绀猴紝
鍒欒鍑犱綍浣撶殑浣撶Н鏄?/p>
锛?/p>
锛?/p>
A
锛?/p>
72cm
3
B
锛?/p>
90cm
3
C
锛?/p>
108cm
3
D
锛?/p>
138cm
3
4
锛?/p>
锛?/p>
5
鍒嗭級
涓轰簡寰楀埌鍑芥暟
y=sin3+cos3
鐨勫浘璞★紝
鍙互灏嗗嚱鏁?/p>
y=
cos3
鐨勫浘璞?/p>
锛?/p>
锛?/p>
A
锛庡悜宸﹀钩绉?/p>
涓崟浣?/p>
B
锛庡悜鍙冲钩绉?/p>
涓崟浣?/p>
C
锛庡悜宸﹀钩绉?
涓崟浣?/p>
D
锛庡悜鍙冲钩绉?
涓崟浣?/p>
5
锛?/p>
锛?/p>
5
鍒嗭級宸茬煡鍦?/p>
2
+y
2
+2
锕?/p>
2y+a=0
鎴洿绾?/p>
+y+2=0
鎵�寰楀鸡鐨勯暱搴︿负
4
锛屽垯瀹炴暟
a
鐨勫�兼槸锛?/p>
锛?/p>
A
锛庯梗
2B
锛庯梗
4
C
锛庯梗
6
D
锛庯梗
8
6
锛?/p>
锛?/p>
5
鍒嗭級璁?/p>
m
銆?/p>
n
鏄袱鏉′笉鍚岀殑鐩寸嚎锛屛憋紝尾鏄袱涓笉鍚岀殑骞抽潰锛屽垯锛?/p>
锛?/p>
A
锛庤嫢
m
鈯?/p>
n
锛?/p>
n
鈭ノ憋紝鍒?/p>
m
鈯ノ?/p>
B
锛庤嫢
m
鈭ノ诧紝尾鈯ノ憋紝鍒?/p>
m
鈯ノ?/p>
C
锛庤嫢
m
鈯ノ诧紝
n
鈯ノ诧紝
n
鈯ノ憋紝鍒?/p>
m
鈯ノ?/p>
D
锛庤嫢
m
鈯?/p>
n
锛?/p>
n
鈯ノ诧紝尾鈯ノ憋紝鍒?/p>
m
鈯ノ?/p>
7
锛?/p>
锛?/p>
5
鍒嗭級宸茬煡鍑芥暟
f
锛堬級
=
3
+a
2
+b+c
锛庝笖
0
锛?/p>
f
锛堬梗
1
锛?/p>
=f
锛堬梗
2
锛?/p>
=f
锛堬梗
3
锛夆墹
3
锛?