鈥斺�斺�斺�斺�斺�斺�斺�斺�斺�?/p>
鏂板鏈?/p>
鏂版垚缁?/p>
鏂扮洰鏍?/p>
鏂版柟鍚?/p>
鈥斺�斺�斺�斺�斺�斺�斺�斺�斺�?/p>
妗戞按
鍒濅腑鏁板璇曞嵎
妗戞按鍑哄搧
婀栧崡鐪佹晶鍘垮紶鍏簷涓
2016
鈥?/p>
2017
瀛﹀勾婀樻暀鐗堜節骞寸骇鏁板涓婂唽鏈熶腑妯℃嫙
鑰冭瘯璇曞嵎涓庤В鏋?/p>
涓�锛庨�夋嫨棰橈紙鍏?/p>
8
灏忛锛?/p>
1
锛庢妸涓�鍏冧簩娆℃柟绋嬶紙
1
锕?/p>
x
锛?/p>
锛?/p>
2
锕?/p>
x
锛?/p>
=3
锕?/p>
x
2
鍖栨垚涓�鑸舰寮?/p>
ax
2
+
bx
+
c=0
锛?/p>
a
鈮?/p>
0
锛夊叾涓?/p>
a
銆?/p>
b
銆?/p>
c
鍒嗗埆涓猴紙
锛?/p>
A
锛?/p>
2
銆?/p>
3
銆侊梗
1
B
锛?/p>
2
銆侊梗
3
銆侊梗
1
C
锛?/p>
2
銆侊梗
3
銆?/p>
1
D
锛?/p>
2
銆?/p>
3
銆?/p>
1
2
锛庡鍥撅紝鍙嶆瘮渚嬪嚱鏁?/p>
y
k
x
飥?
鐨勫浘璞＄粡杩囩偣
A
锛?/p>
2
锛?/p>
1
锛?/p>
锛岃嫢
y
鈮?/p>
1
锛屽垯
x
鐨勮寖鍥翠负锛?/p>
锛?/p>
A
锛?/p>
x
鈮?/p>
1 B
锛?/p>
x
鈮?/p>
2 C
锛?/p>
x
锛?/p>
0
鎴?/p>
0
锛?/p>
x
鈮?/p>
1
D
锛?/p>
x
锛?/p>
0
鎴?/p>
x
鈮?/p>
2
3
锛?/p>
锛?/p>
2016
鈥?/p>
涓存矀妯℃嫙锛夎嫢
3
5
a
b
a
飥?/p>
飥?/p>
锛屽垯
a
b
a
飥?/p>
=
锛?/p>
锛?/p>
A
锛?/p>
1
B
锛?/p>
5
7
C
锛?/p>
7
5
D
锛?/p>
7
4
4
锛庡凡鐭ョ偣
P
鏄嚎娈?/p>
AB
鐨勯粍閲戝垎鍓茬偣锛?/p>
AP
锛?/p>
PB
锛?/p>
锛?/p>
AB=4
锛岄偅涔?/p>
AP
鐨勯暱鏄紙
锛?/p>
A
锛?/p>
2
5
2
飥?/p>
B
锛?/p>
2
5
飥?/p>
C
锛?/p>
2
5
1
飥?/p>
D
锛?/p>
5-2
5
锛庡鍥撅紝鍦?/p>
6
脳
6
鐨勬鏂瑰舰缃戞牸涓紝杩炵粨涓ゆ牸鐐?/p>
A
锛?/p>
B
锛岀嚎娈?/p>
AB
涓庣綉鏍肩嚎鐨勪氦鐐逛负
M
銆?/p>
N
锛屽垯
AM
锛?/p>
MN
锛?/p>
NB
涓猴紙
锛?/p>
A
锛?/p>
3
锛?/p>
5
锛?/p>
4
B
锛?/p>
1
锛?/p>
3
锛?/p>
2
C
锛?/p>
1
锛?/p>
4
锛?/p>
2
D
锛?/p>
3
锛?/p>
6
锛?/p>
5
6
锛庡鍥撅紝
E
涓?/p>
鈻?/p>
ABCD
鐨勮竟
AB
寤堕暱绾夸笂鐨勪竴鐐癸紝涓?/p>
BE
锛?/p>
AB=2
锛?/p>
3
锛屸柍
BEF
鐨勯潰绉负
4
锛屽垯
鈻?/p>
ABCD
鐨勯潰
绉负锛?/p>
锛?/p>