鍏ㄥ浗
2011
骞?/p>
1
鏈堥珮绛夋暀鑲茶嚜瀛﹁�冭瘯
绾挎�т唬鏁帮紙缁忕绫伙級璇曢
璇剧▼浠ｇ爜锛?/p>
04184
璇存槑锛?/p>
鏈嵎涓紝
A
-1
琛ㄧず鏂归樀
A
鐨勯�嗙煩闃碉紝
r
(
A
)
琛ㄧず鐭╅樀
A
鐨勭З锛?/p>
锛?/p>
飦?/p>
飦?/p>
,
锛夎〃绀哄悜閲?/p>
飦?/p>
涓?/p>
飦?/p>
鐨?/p>
鍐呯Н锛?/p>
E
琛ㄧず鍗曚綅鐭╅樀锛?/p>
|
A
|
琛ㄧず鏂归樀
A
鐨勮鍒楀紡
.
涓�銆佸崟椤归�夋嫨棰橈紙鏈ぇ棰樺叡
10
灏忛锛屾瘡灏忛
2
鍒嗭紝鍏?/p>
20
鍒嗭級
鍦ㄦ瘡灏忛鍒楀嚭鐨勫洓涓閫夐」涓彧鏈変竴涓槸绗﹀悎棰樼洰瑕佹眰鐨勶紝
璇峰皢鍏朵唬鐮佸～鍐欏湪棰樺悗
鐨勬嫭鍙峰唴銆傞敊閫夈�佸閫夋垨鏈�夊潎鏃犲垎銆?/p>
1.
璁捐鍒楀紡
33
32
31
23
22
21
13
12
11
a
a
a
a
a
a
a
a
a
=4
锛屽垯琛屽垪寮?/p>
33
32
31
23
22
21
13
12
11
3
3
3
2
2
2
a
a
a
a
a
a
a
a
a
=
锛?/p>
锛?/p>
A.12
B.24
C.36
D.48
2.
璁剧煩闃?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
X
涓哄悓闃舵柟闃碉紝
涓?/p>
A
锛?/p>
B
鍙�嗭紝
AXB
=
C
锛?/p>
鍒欑煩闃?/p>
X
=
锛?/p>
锛?/p>
A.
A
-1
CB
-1
B.
CA
-1
B
-1
C.
B
-1
A
-1
C
D.
CB
-1
A
-1
3.
宸茬煡
A
2
+
A
-
E
=
0
锛屽垯鐭╅樀
A
-1
=
锛?/p>
锛?/p>
A.
A
-
E
B.-
A
-
E
C.
A
+
E
D.-
A
+
E
4.
璁?/p>
5
4
3
2
1
,
,
,
,
飦?/p>
飦?/p>
飦?/p>
飦?/p>
飦?/p>
鏄洓缁村悜閲忥紝鍒欙紙
锛?/p>
A.
5
4
3
2
1
,
,
,
,
飦?/p>
飦?/p>
飦?/p>
飦?/p>
飦?/p>
涓�瀹氱嚎鎬ф棤鍏?/p>
B.
5
4
3
2
1
,
,
,
,
飦?/p>
飦?/p>
飦?/p>
飦?/p>
飦?/p>
涓�瀹氱嚎鎬х浉鍏?/p>
C.
5
飦?/p>
涓�瀹氬彲浠ョ敱
4
3
2
1
,
,
,
飦?/p>
飦?/p>
飦?/p>
飦?/p>
绾挎�ц〃绀?/p>
D.
1
飦?/p>
涓�瀹氬彲浠ョ敱
5
4
3
2
,
,
,
飦?/p>
飦?/p>
飦?/p>
飦?/p>
绾挎�ц〃鍑?/p>
5.
璁?/p>
A
鏄?/p>
n
闃舵柟闃碉紝鑻ュ浠绘剰鐨?/p>
n
缁村悜閲?/p>
x
鍧囨弧瓒?/p>
Ax
=
0
,
鍒欙紙
锛?/p>
A.
A
=
0
B.
A
=
E
C.
r
(
A
)=
n
D.0<
r
(
A
)<(
n
)
6.
璁?/p>
A
涓?/p>
n
闃舵柟闃碉紝
r
(
A
)<
n
锛?/p>
涓嬪垪鍏充簬榻愭绾挎�ф柟绋嬬粍
Ax
=
0
鐨勫彊杩版纭殑鏄?/p>
锛?/p>
锛?/p>
A.
Ax
=
0
鍙湁闆惰В
B.
Ax
=
0
鐨勫熀纭�瑙ｇ郴鍚?/p>
r
(
A
)
涓В鍚戦噺
C.
Ax
=
0
鐨勫熀纭�瑙ｇ郴鍚?/p>
n
-
r
(
A
)
涓В鍚戦噺
D.
Ax
=
0
娌℃湁瑙?/p>
7.
璁?/p>
2
1
,
飦?/p>
飦?/p>
鏄潪榻愭绾挎�ф柟绋嬬粍
Ax
=
b
鐨勪袱涓笉鍚岀殑瑙ｏ紝鍒欙紙
锛?/p>
A.
2
1
飦?/p>
飦?/p>
飥?/p>
鏄?/p>
Ax
=
b
鐨勮В
B.
2
1
飦?/p>
飦?/p>
飥?/p>
鏄?/p>
Ax
=
b
鐨勮В
C.
2
1
2
3
飦?/p>
飦?/p>
飥?/p>
鏄?/p>
Ax
=
b
鐨勮В
D.
2
1
3
2
飦?/p>
飦?/p>
飥?/p>
鏄?/p>
Ax
=
b
鐨勮В
8.
璁?/p>
1
飦?/p>
锛?/p>
2
飦?/p>
锛?/p>
3
飦?/p>
涓虹煩闃?/p>
A
=
飪?/p>
飪?/p>
飪?
飪?
飪?
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
2
0
0
5
4
0
0
9
3
鐨勪笁涓壒寰佸�硷紝鍒?/p>
3
2
1
飦?/p>
飦?/p>
飦?/p>
=
锛?/p>
锛?/p>
A.20
B.24