绗?/p>
6
璁?/p>
鍦?/p>
涓�銆侀�夊～棰?/p>
銆?/p>
2018
路鏄屽钩浜屾ā銆?/p>
1.
濡傚浘锛屽湪鍦?/p>
O
鐨勫唴鎺ュ洓杈瑰舰
ABCD
涓紝
AB
=3
锛?/p>
AD
=5
锛屸垹
BAD
=60
掳锛?/p>
鐐?/p>
C
涓哄姬
BD
鐨勪腑鐐癸紝鍒?/p>
AC
鐨勯暱鏄?/p>
锛?/p>
銆愮瓟妗堛�?
8
3
3
銆?/p>
2018
路鏈濋槼浜屾ā銆?/p>
2
锛庡鍥撅紝鈻?/p>
ABC
鍐呮帴浜庘姍
O
锛?/p>
AB
鏄姍
O
鐨勭洿寰勶紝鐐?/p>
D
鍦ㄥ渾
O
涓婏紝寮?
BD
=
寮?/p>
CD
锛?/p>
AB=
10
锛?/p>
AC
=6
锛岃繛鎺?/p>
OD
浜?/p>
BC
浜庣偣
E
锛?/p>
DE
=
锛?/p>
銆愮瓟妗堛�?/p>
2
銆?/p>
2018
路鎴垮北浜屾ā銆?/p>
3.
濡傚浘锛?/p>
AB
涓?/p>
鈯?/p>
O
鐨勭洿寰勶紝寮?/p>
CD
飦?/p>
AB
锛屽瀭瓒充负鐐?/p>
E
锛岃繛缁?/p>
OC
锛岃嫢
OC
=5
锛?/p>
CD
=8
锛屽垯
AE
=
.
銆愮瓟妗堛�?/p>
2 ;
銆?/p>
2018
路娴锋穩浜屾ā銆?/p>
4
锛庡鍥撅紝鍦?/p>
O
鐨勫鸡
GH
锛?/p>
EF
锛?/p>
CD
锛?/p>
AB
涓渶鐭殑鏄?/p>
A .
GH
B.
EF
C.
CD
D.
AB
O
D
C
B
A
O
A
B
C
D
E