绗竴绔?/p>
鏁村紡鐨勮繍绠?/p>
鍗曞厓娴嬭瘯
涓�銆侀�夋嫨棰?/p>
1.
鍗曢」寮忥紞
9
7
a
2
bc
鐨勭郴鏁版槸锛?/p>
锛?/p>
A.1
B.2
C.4
D.
锛?/p>
9
7
2.
涓嬪垪璁＄畻姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A.2
x
3
路
3
x
4
锛?/p>
5
x
7
B.3
x
3
路
4
x
3
锛?/p>
12
x
3
C.4
a
3
路
2
a
2
锛?/p>
8
a
5
D.2
a
3
+3
a
3
锛?/p>
5
a
6
3.
涓嬪垪鍚勫紡璁＄畻缁撴灉涓嶆纭殑鏄紙
锛?/p>
A.
ab
(
ab
)
2
锛?/p>
a
3
b
3
B.
a
3
梅
a
3
路
a
3
锛?/p>
a
2
C.(2
ab
2
)
3
锛?/p>
8
a
3
b
6
D.
a
3
b
2
梅
2
ab
锛?/p>
2
1
a
2
b
4.
鍑忓幓锛?/p>
3
x
寰?/p>
x
2
锛?/p>
3
x
+6
鐨勫紡瀛愭槸锛?/p>
锛?/p>
A.
x
2
+6
B.
x
2
+3
x
+6
C.
x
2
锛?/p>
6
x
D.
x
2
锛?/p>
6
x
+6
5.
涓嬪垪澶氶」寮忎腑鏄畬鍏ㄥ钩鏂瑰紡鐨勬槸锛?/p>
锛?/p>
A.2
x
2
+4
x
锛?/p>
4
B.16
x
2
锛?/p>
8
y
2
+1
C.9
a
2
锛?/p>
12
a
+4
D.
x
2
y
2
+2
xy
+
y
2
6.
闀挎柟褰㈢殑闀夸负
3
a
锛屽姣旈暱灏?/p>
a
锛?/p>
b
锛屽垯鍏跺懆闀夸负锛?/p>
锛?/p>
A.10
a
+2
b
B.6
a
C.6
a
+4
b
D.
浠ヤ笂鍏ㄩ敊
7.
灏忔槑鍦ㄥ埄鐢ㄥ畬鍏ㄥ钩鏂瑰叕寮忚绠椾竴涓簩椤规暣寮忕殑骞虫柟鏃讹紝涓嶅皬蹇冪敤澧ㄦ按鎶婃渶
鍚庝竴椤规煋榛戜簡锛屽緱鍒版纭殑缁撴灉鍙樹负
4
a
2
锛?/p>
12
ab
+
锛屼綘瑙夊緱杩欎竴椤瑰簲鏄?/p>
锛?/p>
锛?/p>
A.3
b
2
B.6
b
2
C.9
b
2
D.36
b
2
8.
鑻?/p>
(
x
锛?/p>
3)
0
锛?/p>
2(3
x
锛?/p>
6)
锛?/p>
2
鏈夋剰涔夛紝鍒?/p>
x
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A.
x
锛?/p>
3
B.
x
锛?/p>
2
C.
x
鈮?
鎴?/p>
x
鈮?
D.
x
鈮?
涓?/p>
x
鈮?
9.
鑻?/p>
x
2
锛?/p>
x
锛?/p>
m
锛?/p>
(
x
锛?/p>
m
)(
x
+1)
涓?/p>
x
鈮?
锛屽垯
m
鐨勫�间负锛?/p>
锛?/p>
A.0
B.
锛?/p>
1
C.1
D.2
10.
宸茬煡
x
+
y
锛?/p>
7
锛?/p>
xy
锛濓紞
8
锛屼笅鍒楀悇寮忚绠楃粨鏋滀笉姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A.(
x
锛?/p>
y
)
2
锛?/p>
81
B.
x
2
+
y
2
锛?/p>
65
C.
x
2
+
y
2
锛?/p>
511
D.
x
2
锛?/p>
y
2
锛?/p>
567
浜屻�佸～绌洪