绗?/p>
1
椤碉紙鍏?/p>
17
椤碉級
2017-2018
瀛﹀勾婀栧寳鐪佹姹夊鍥借瀛︽牎涓冨勾绾э紙涓婏級鏈熶腑鏁板璇?
鍗?/p>
涓�銆侀�夋憯棰橈紙鍏?/p>
10
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
30
鍒嗭級涓嬪垪鍚勯涓潎鏈夊洓涓閫夌瓟
妗堬紝鍏朵腑鏈変笖鍙湁涓�涓纭紝璇峰皢姝ｇ‘绛旀鐨勪唬鍙峰～鍦ㄧ瓟鍗风殑鎸囧畾浣嶇疆锛?/p>
1
锛?/p>
锛?/p>
3
鍒嗭級锕?/p>
2
鐨勭浉鍙嶆暟鏄紙
锛?/p>
A
锛庯梗
2
B
锛?/p>
2
C
锛?/p>
D
锛庯梗
2
锛?/p>
锛?/p>
3
鍒嗭級涓嬪垪鍚勭粍鍗曢」寮忎腑锛屼笉鏄悓绫婚」鐨勪竴缁勬槸锛?/p>
锛?/p>
A
锛?/p>
x
2
y
鍜?/p>
2xy
2
鍜?/p>
2xy
B
锛庯梗
3
2
鍜?/p>
3
C
锛?
D
锛?/p>
5x
2
y
鍜岋梗
2yx
2
3
锛?/p>
锛?/p>
3
鍒嗭級涓嬪垪杩愮畻姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
3a
+
2a=5a
2
B
锛?/p>
2a
+
2b=2ab
C
锛?/p>
2a
2
bc
锕?/p>
a
2
bc=a
2
bc
D
锛?/p>
a
5
锕?/p>
a
3
=a
2
4
锛?/p>
锛?/p>
3
鍒嗭級涓嬪垪鍚勭粍涓繍绠楃粨鏋滅浉绛夌殑鏄紙
锛?/p>
A
锛?/p>
2
3
涓?/p>
3
2
B
锛?/p>
锛堬梗
2
锛?/p>
4
涓庯梗
2
4
C
锛?/p>
锛堬梗
2
锛?/p>
3
涓庯梗
2
3
D
锛?/p>
涓?
5
锛?/p>
锛?/p>
3
鍒嗭級涓嬪垪鍚勫紡涓紝鍘绘嫭鍙锋纭殑鏄紙
锛?/p>
A
锛?/p>
x
2
锕ｏ紙
2y
锕?/p>
x
+
z
锛?/p>
=x
2
锕?/p>
2y
锕?/p>
x
+
z
B
锛?/p>
3a
锕?/p>
[
6a
锕ｏ紙
4a
锕?/p>
1
锛?/p>
]
=3a
锕?/p>
6a
锕?/p>
4a
+
1
C
锛?/p>
2a
+
锛堬梗
6x
+
4y
锕?/p>
2
锛?/p>
=2a
锕?/p>
6x
+
4y
锕?/p>
2
D
锛庯梗锛?/p>
2x
2
锕?/p>
y
锛?/p>
+
锛?/p>
z
锕?/p>
1
锛?/p>
=
锕?/p>
2x
2
锕?/p>
y
锕?/p>
z
锕?/p>
1
6
锛?/p>
锛?/p>
3
鍒嗭級鍦ㄦ暟杞翠笂锛屼笌琛ㄧず鏁帮梗
5
鐨勭偣鐨勮窛绂绘槸
2
鐨勭偣琛ㄧず鐨勬暟鏄紙
锛?/p>
A
锛庯梗
3
B
锛庯梗
7
C
锛幝?/p>
3
D
锛庯梗
3
鎴栵梗
7
7
锛?/p>
锛?/p>
3
鍒嗭級濡傛灉
2x
2
+
ax
锕?/p>
2y
+
7
锕ｏ紙
bx
2
锕?/p>
2x
+
9y
锕?/p>
1
锛夌殑鍊间笌
x
鐨勫彇鍊兼棤鍏筹紝鍒欙梗
a
锕?/p>
2b
鐨勫�间负锛?/p>
锛?/p>
A
锛?/p>
3
B
锛?/p>
1
C
锛?/p>
2
D
锛庯梗
2
8
锛?/p>
锛?/p>
3
鍒嗭級灏嗘柟绋?/p>
鍙樺舰姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
9
+
B
锛?/p>
0.9
+