鑻忓窞澶у
2013
灞婇珮鑰冭�冨墠鎸囧鍗凤紙
1
锛?/p>
涓�銆佸～绌洪锛氭湰澶ч鍏?/p>
14
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏辫
70
鍒嗭紟涓嶉渶瑕佸啓鍑鸿В绛旇繃绋嬶紝璇锋妸绛旀
鐩存帴濉湪绛旈鍗＄浉搴斾綅缃笂
锛庯紟锛庯紟锛庯紟锛庯紟
锛?/p>
1
锛庡凡鐭?/p>
i
鏄櫄鏁板崟浣嶏紝澶嶆暟
z
鐨勫叡杞鏁颁负
z
飥?/p>
锛岃嫢
2
z
=
z
飥?/p>
飥?/p>
2
飥?/p>
3
i
锛屽垯
z
飥?/p>
锛?/p>
2
锛庡湪骞抽潰鐩磋鍧愭爣绯?/p>
xOy
涓紝宸茬煡
3
y
x
飥?/p>
鏄弻鏇茬嚎
2
2
2
2
1
x
y
a
b
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飥?/p>
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涓�鏉℃笎杩戠嚎鏂圭▼锛屽垯姝ゅ弻鏇茬嚎鐨勭蹇冪巼涓?/p>
锛?/p>
3
锛庡鍥炬槸鏍锋湰瀹归噺涓?/p>
200
鐨勯鐜囧垎甯冪洿鏂瑰浘锛庢牴鎹鏍锋湰鐨勯鐜囧垎
甯冪洿鏂瑰浘浼拌锛屾牱鏈暟鎹惤鍦?/p>
[6,10)
鍐呯殑棰戞暟涓?/p>
________
锛?/p>
4
锛庡嚱鏁?/p>
2
2
(
)
(
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1)
x
ax
f
x
x
x
飥?/p>
飥?/p>
飥?/p>
飥?/p>
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a
=
锛?/p>
5
锛庢煇鍥㈤槦鏈?/p>
6
浜哄叆浣忓棣嗕腑鐨?/p>
6
涓埧闂达紝鍏朵腑鐨勬埧鍙?/p>
301
涓?/p>
302
瀵归棬锛?/p>
303
涓?/p>
304
瀵归棬锛?/p>
305
涓?/p>
306
瀵归棬锛岃嫢姣忎汉闅忔満鍦版嬁浜嗚繖
6
涓埧闂翠腑鐨勪竴鎶婇挜鍖欙紝鍒欏叾涓殑鐢层�佷箼涓や汉鎭?/p>
濂藉闂ㄧ殑姒傜巼涓?/p>
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6
锛庨槄璇诲鍥炬墍绀虹殑娴佺▼鍥撅紝杩愯鐩稿簲鐨勭▼搴忥紝鑻ヨ緭鍏?/p>
x
鐨勫�间负锛?/p>
4
锛屽垯杈撳嚭
y
鐨勫�间负
________
锛?/p>
7
锛庡簳闈㈣竟闀夸负
2
锛屼晶妫变笌搴曢潰鎴?/p>
60
飩?/p>
鐨勬鍥涙１閿ョ殑渚ч潰绉负
____
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8
锛庡凡鐭?/p>
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(
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)
6
f
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x
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飥?
锛岃嫢瀛樺湪
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蟺
)
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锛屼娇
(
)
(
)
f
x
f
x
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飦?/p>
飥?/p>
飥?/p>
飥?/p>
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瀹炴暟
x
鎭掓垚绔嬶紝鍒?/p>
飦?/p>
=
锛?/p>
9
锛庡湪骞抽潰鐩磋鍧愭爣绯讳腑锛岀偣
A
锛?/p>
B
锛?/p>
C
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(0
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1)
锛?/p>
(4
锛?/p>
2)
锛?/p>
(2
锛?/p>
6)
锛庡
鏋?/p>
P
(
x
锛?/p>
y
)
鏄?/p>
鈻?/p>
ABC
鍥存垚鐨勫尯鍩?/p>
(
鍚竟鐣?/p>
)
涓婄殑鐐癸紝閭ｄ箞褰?/p>
蠅
=
xy
鍙栧埌鏈�澶у�?/p>
鏃讹紝鐐?/p>
P
鐨勫潗鏍囨槸
________
锛?/p>
10
锛庡凡鐭?/p>
A
= { (
x
锛?/p>
y
) |
x
2
飥?/p>
y
2
鈮?/p>
4 }
锛?/p>
B
= { (
x
锛?/p>
y
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x
飥?/p>
a
)
2
飥?/p>
(
y
飥?/p>
a
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2
鈮?/p>
2
a
2
锛?/p>
a
飩?/p>
0 }
锛屽垯
A
鈭?/p>
B
琛?/p>
绀哄尯鍩熺殑闈㈢Н鐨勫彇鍊艰寖鍥存槸
___________
锛?/p>
11
锛庢柟绋?/p>
|
e
1|
1
0
x
ax
飥?/p>
飥?/p>
飥?/p>
飥?/p>
鏈変袱涓笉鍚岀殑瑙ｏ紝鍒欏疄鏁?/p>
a
鐨勫彇鍊艰寖鍥存槸
________
锛?/p>
12
锛庡凡鐭ュ嚱鏁?/p>
)
(
x
f
鏄?/p>
瀹氫箟鍦ㄦ瀹?/p>
鏁伴泦涓婄殑鍗?/p>
璋冨嚱鏁帮紝涓?/p>
婊¤冻瀵逛换
鎰?/p>
x
>
0
锛岄兘
鏈?
[
(
)
ln
]
1
e
f
f
x
x
飥?/p>
飥?/p>
飥?/p>
锛屽垯
(1)
f
= ________
锛?/p>
13
锛庡凡鐭?/p>
O
鏄柍
ABC
鐨勫蹇冿紝
AB
= 2
a
锛?/p>
AC
=
2
a
锛屸垹
BAC
= 120
飩?/p>
锛岃嫢
鈫?/p>
AO
=
x
鈫?/p>
AB
锛?/p>
y
鈫?
AC
锛屽垯
x
锛?