鏁?/p>
瀛?/p>
鏈?/p>
涓?/p>
澶?/p>
涔?/p>
鍘?/p>
杞?/p>
棰?/p>
涓?/p>
棰?/p>
1.
锛?/p>
1
锛夊鍥撅紝鐐?/p>
E
鏄?/p>
AB
涓婃柟涓�鐐癸紝
MF
骞冲垎鈭?/p>
AME
锛岃嫢鐐?/p>
G
鎭板ソ鍦?/p>
MF
鐨勫弽鍚戝欢闀跨嚎涓婏紝
涓?/p>
NE
骞冲垎鈭?/p>
CNG
锛?/p>
2
鈭?/p>
E
涓庘垹
G
浜掍綑锛屾眰鈭?/p>
AME
鐨勫ぇ灏忋�?/p>
锛?/p>
2
锛夊鍥撅紝鍦紙
1
锛夌殑鏉′欢涓嬶紝鑻ョ偣
P
鏄?/p>
EM
涓婁竴鍔ㄧ偣锛?/p>
PQ
骞冲垎鈭?/p>
MPN
锛?/p>
NH
骞冲垎鈭?/p>
PNC
锛?/p>
浜?/p>
AB
浜庣偣
H
锛?/p>
PJ
鍥撅紝宸茬煡
MA
鍥撅紝
AB
鍥撅紝鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴涓紝宸茬煡鐐?/p>
A
锛?/p>
-5,0
锛?/p>
锛?/p>
B
锛堬級
锛?/p>
D
锛?/p>
2
锛?/p>
7
锛?/p>
锛?/p>
锛?/p>
1
锛夋眰
C
鐐圭殑鍧愭爣锛?/p>
锛?/p>
2
锛夊姩鐐?/p>
P
浠?/p>
B
鐐瑰嚭鍙戜互姣忕
1
涓崟浣嶇殑閫熷害娌?/p>
BA
鏂瑰悜杩愬姩锛屽悓鏃跺姩鐐?/p>
Q
浠?/p>
C
鐐瑰嚭鍙戜篃
浠ユ瘡绉?/p>
1
涓崟浣嶇殑閫熷害娌?/p>
y
杞存鍗婅酱鏂瑰悜杩愬姩锛堝綋
P
鐐硅繍鍔ㄥ埌
A
鐐规椂锛屼袱鐐归兘鍋滄杩愬姩锛?/p>
銆?/p>
璁句粠鍑哄彂璧疯繍鍔ㄤ簡
x
绉掋�?/p>
鈶犺鐢ㄥ惈
x
鐨勪唬鏁板紡鍒嗗埆琛ㄧず
P,Q
涓ょ偣鐨勫潗鏍囷紱
鈶″綋
x=2
鏃讹紝
y
杞翠笂鏄惁瀛樺湪涓�鐐?/p>
E
锛屼娇寰椻柍
AQE
鐨勯潰绉笌鈻?/p>
APQ
鐨勯潰绉浉绛夛紵鑻ュ瓨鍦紝姹?/p>
E
鐨勫潗鏍囷紝鑻ヤ笉瀛樺湪锛岃鏄庣悊鐢憋紵
5
銆佸鍥撅紝鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴涓紝
A
锛?/p>
a
锛?/p>
0
锛?/p>
锛?/p>
C
锛?/p>
b
锛?/p>
2
锛?/p>
锛屼笖婊¤冻锛?/p>
a+b
锛?/p>
2+|a-b+4|=0
锛岃繃
C
浣?/p>
CB
鈯?/p>
x
杞翠簬
B
銆?/p>
锛?/p>
1
锛夎嫢杩?/p>
B
浣?/p>
BD
?
?
2
a
b
m
b
a-
+
b+3
=0
=14.
ABC
A
S
V
濡傚浘锛屽凡鐭ワ紙
0
锛?/p>
锛夛紝
B
锛?/p>
0
锛?/p>
锛夛紝
C
锛?/p>
锛?/p>
锛変笖锛?/p>
4
锛?/p>
锛?/p>
MPQ
ECA
飪?/p>
飪?/p>
鍥撅紝
A
涓?/p>
x
杞磋礋鍗婅酱涓婁竴鐐癸紝
B
涓?/p>
x
杞存鍗婅酱涓婁竴鐐癸紝
C
锛?/p>
0,-2
锛?/p>
锛?/p>
D
锛?/p>
-3
锛?/p>
-2
锛?/p>
銆?/p>
锛?/p>
1
锛夋眰鈻?/p>
BCD
鐨勯潰绉紱
锛?/p>
2
锛夎嫢
AC
鈯?/p>
BC
锛屼綔鈭?/p>
CBA
鐨勫钩鍒嗙嚎浜?/p>
CO
浜?/p>
P
锛屼氦
CA
浜?/p>
Q
锛屽垽鏂垹
CPQ
涓庘垹
CQP
鐨勫ぇ
灏忓叧绯伙紝骞惰鏄庝綘鐨勭粨璁恒�?/p>
锛?/p>
3
锛夎嫢鈭?/p>
ADC=
鈭?/p>
DAC
锛岀偣
B
鍦?/p>
x
杞存鍗婅酱涓婁换鎰忚繍鍔紝鈭?/p>
ACB
鐨勫钩鍒嗙嚎
CE
浜?/p>
DA
鐨勫欢闀?/p>
绾夸簬鐐?/p>
E
锛屽湪
B
鐐圭殑杩愬姩杩囩▼涓紝
E
ABC
飪?/p>
飪?/p>
鐨勫�兼槸鍚﹀彉鍖栵紵鑻ヤ笉鍙橈紝姹傚嚭鍏跺�硷紱鑻ュ彉鍖栵紝璇存槑
鐞嗙敱銆?/p>
8.
濡傚浘锛屽凡鐭ョ偣
A
锛?/p>
-3,2
锛?/p>
锛?/p>
B
锛?/p>
2,0
锛?/p>
锛岀偣
C
鍦?/p>
x
杞翠笂锛屽皢鈻?/p>
ABC
娌?/p>
x
杞存姌鍙狅紝浣跨偣
A
钀藉湪鐐?/p>
D
澶勩�?/p>
锛?/p>
1
锛夊啓鍑?/p>
D
鐐圭殑鍧愭爣骞舵眰
AD
鐨勯暱锛?/p>
锛?/p>
2
锛?/p>
EF
骞冲垎鈭?/p>
AED
锛岃嫢鈭?/p>
ACF-
鈭?/p>
AEF=15o
锛屾眰鈭?/p>
EFB
鐨勫害鏁般�?/p>
9.
锛?/p>
1
锛夊湪骞抽潰鐩磋鍧愭爣绯讳腑锛屽鍥?/p>
1
锛屽皢绾挎
AB
骞崇Щ鑷崇嚎娈?/p>
CD
锛岃繛鎺?/p>
AC
銆?/p>
BD
銆?/p>
宸茬煡
A
锛?/p>
-3,0
锛?/p>
銆?/p>
B
锛?/p>
-2
锛?/p>
-2
锛?/p>
锛岀偣
C
鍦?/p>
y
杞寸殑姝ｅ崐杞翠笂锛岀偣
D
鍦ㄧ涓�璞￠檺鍐咃紝涓?/p>
S
?ACD
=5
锛屾眰鐐?/p>
C
銆?/p>
D
鐨勫潗鏍囷紱
锛?/p>
2
锛?/p>
鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴涓紝
濡傚浘锛?/p>
宸茬煡涓�瀹氱偣
M
锛?/p>
1,0
锛?/p>
锛?/p>
涓や釜鍔ㄧ偣
E
锛?/p>
a
锛?/p>
2a+1
锛?/p>
銆?/p>
F
锛?/p>
b
锛?/p>
-2b+3
锛?/p>
锛?/p>
璇蜂綘鎺㈢储鏄惁瀛樺湪浠ヤ袱涓姩鐐?/p>
E
銆?/p>
F
涓虹鐐圭殑绾挎
EF
骞宠浜庣嚎娈?/p>
OM
涓旂瓑浜庣嚎娈?/p>
OM
銆傝嫢瀛?/p>
鍦紝姹備互鐐?/p>
O
銆?/p>
M
銆?/p>
E
銆?/p>
F
涓洪《鐐圭殑鍥涜竟褰㈢殑闈㈢Н锛岃嫢涓嶅瓨鍦紝璇疯鏄庣悊鐢便�?/p>