2015-2016
瀛﹀勾澶╂触甯傚拰骞冲尯鍏勾绾э紙涓婏級鏈熸湯鏁板璇曞嵎
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺苟
12
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
36
鍒嗭紟鍦ㄦ瘞灏忛缁欏嚭鐨勫洓涓�夐爡涓紝鍙?/p>
鏈変竴闋呮槸绗﹀悎棰樼洰瑕佹眰鐨勶級
1
锛?/p>
锛?/p>
3
鍒嗭級
锛?/p>
2015
绉?/p>
鈥?/p>
鍜屽钩鍖烘湡鏈級灏?/p>
0.0000108
鐢ㄧ瀛﹁鏁版硶琛ㄧず搴斾负锛?/p>
锛?/p>
A
锛?/p>
1.08
脳
10
锕?/p>
4
B
锛?/p>
1.08
脳
10
锕?/p>
5
C
锛?/p>
1.08
脳
10
锕?/p>
6
D
锛?/p>
10.8
脳
10
锕?/p>
6
2
锛?/p>
锛?/p>
3
鍒嗭級
锛?/p>
2014
鈥?/p>
闄曡タ锛夊鍥撅紝
AB
鈭?/p>
CD
锛屸垹
A=45
掳
锛屸垹
C=28
掳
锛屽垯鈭?/p>
AEC
鐨勫ぇ灏忎负锛?/p>
锛?/p>
A
锛?/p>
17
掳
B
锛?/p>
62
掳
C
锛?/p>
63
掳
D
锛?/p>
73
掳
3
锛?/p>
锛?/p>
3
鍒嗭級
锛?/p>
2011
鈥?/p>
鐩婇槼锛変笅鍒楄绠楁纭殑鏄紙
锛?/p>
A
锛?/p>
锛?/p>
x
+
y
锛?/p>
2
=x
2
+
y
2
B
锛?/p>
锛?/p>
x
锕?/p>
y
锛?/p>
2
=x
2
锕?/p>
2xy
锕?/p>
y
2
C
锛?/p>
锛?/p>
x
+
2y
锛?/p>
锛?/p>
x
锕?/p>
2y
锛?/p>
=x
2
锕?/p>
2y
2
D
锛?/p>
锛堬梗
x
+
y
锛?/p>
2
=x
2
锕?/p>
2xy
+
y
2
4
锛?/p>
锛?/p>
3
鍒嗭級
锛?/p>
2012
鈥?/p>
涓存矀锛夊寲绠�
鐨勭粨鏋滄槸锛?/p>
锛?/p>
A
锛?
B
锛?
C
锛?
D
锛?
5
锛?/p>
锛?/p>
3
鍒嗭級
锛?/p>
2015
绉?/p>
鈥?/p>
鍜屽钩鍖烘湡鏈級濡傚浘锛屽湪鐩磋涓夎褰?/p>
ABC
涓紝鈭?/p>
C=90
掳
锛屸垹
CAB
鐨勫钩鍒?/p>
绾?/p>
ADD
浜?/p>
BC
浜庣偣
D
锛岃嫢
DE
鍨傜洿骞冲垎
AB
锛屽垯涓嬪垪缁撹涓敊璇殑鏄紙
锛?/p>
A
锛?/p>
AB=2AE
B
锛?/p>
AC=2CD
C
锛?/p>
DB=2CD
D
锛?/p>
AD=2DE
6
锛?/p>
锛?/p>
3
鍒嗭級
锛?/p>
2015
绉?/p>
鈥?/p>
鍜屽钩鍖烘湡鏈級涓嬪垪璁＄畻姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
锛堬梗
5b
锛?/p>
3
=
锕?/p>
15b
3
B
锛?/p>
锛?/p>
2x
锛?/p>
3
锛堬梗
5xy
2
锛?/p>
=
锕?/p>
40x
4
y
2
C
锛?/p>
28x
6
y
2
+
7x
3
y=4x
2
y
D
锛?/p>
锛?/p>
12a
3
锕?/p>
6a
2
+
3a
锛壝?/p>
3a=4a
2
锕?/p>
2a
7
锛?/p>
锛?/p>
3
鍒嗭級
锛?/p>
2015
绉?/p>
鈥?/p>
鍜屽钩鍖烘湡鏈級涓嬪垪璁＄畻閿欒鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
锛?/p>
a
锕?/p>
1
b
2
锛?/p>
3
=
B
锛?/p>
锛?/p>
a
2
b
锕?/p>
2
锛?/p>
锕?/p>
3
=
C
锛?/p>
锛堬梗
3ab
锕?/p>
1
锛?/p>
3
=
锕?
D
锛?/p>
锛?/p>
2m
2
n
锕?/p>
2
锛?/p>
2
鈥?/p>
3m
锕?/p>
3
n
3
=
8
锛?/p>
锛?/p>
3
鍒嗭級
锛?/p>
2014
鈥?/p>
瀹滄槍锛夊鍥撅紝鍦ㄢ柍
ABC
涓紝
AB=AC
锛屸垹
A=30
掳
锛屼互
B
涓哄渾蹇冿紝
BC
鐨勯暱涓?/p>
鍗婂緞鍦嗗姬锛屼氦
AC
浜庣偣
D
锛岃繛鎺?/p>
BD
锛屽垯鈭?/p>
ABD=
锛?/p>
锛?/p>