2019
骞翠竷骞寸骇涓嬪唽鏁板鍗曞厓娴嬭瘯棰?/p>
绗竴鍗曞厓
涓夎褰㈢殑鍒濇璁よ瘑
涓�銆侀�夋嫨棰?/p>
1
锛?/p>
濡傚浘锛屽浠绘剰鐨勪簲瑙掓槦
,
缁撹閿欒鐨勬槸锛?/p>
锛?/p>
A
锛庘垹
1=
鈭?/p>
C+
鈭?/p>
E
B
锛庘垹
2=
鈭?/p>
A+
鈭?/p>
D
C
锛庘垹
A+
鈭?/p>
B+
鈭?/p>
C+
鈭?/p>
D+
鈭?/p>
E=360
掳
D
锛庘垹
A+
鈭?/p>
B+
鈭?/p>
C+
鈭?/p>
D+
鈭?/p>
E=180
掳
绛旀锛?/p>
C
2
锛?/p>
濡傚浘鎵�绀猴紝
0P
骞冲垎鈭?/p>
AOB
锛?/p>
PE
鈯?/p>
OB
锛?/p>
PF
鈯?/p>
OA
锛屽垯涓嬪垪缁撹涓纭殑涓暟鏈夛紙
锛?/p>
鈶?/p>
OE=0F
锛涒憽
FP=PE
锛涒憿
OP
鈯?/p>
EF
锛涒懀鈭?/p>
PEF=
鈭?/p>
PFE
锛涒懁
0P
骞冲垎鈭?/p>
FPE
锛涒懃
PQ=0Q
A
锛?/p>
6
涓?/p>
B
锛?/p>
5
涓?/p>
C
锛?/p>
4
涓?/p>
D
锛?/p>
2
涓?/p>
绛旀锛?/p>
B
3
锛?/p>
濡傚浘鎵�绀猴紝
BA=BD
锛?/p>
BC=BE
锛屾牴鎹�滆竟瑙掕竟鈥濇潯浠跺緱鍒扳柍
ABE
鈻?/p>
DBC
锛屽垯闇�瑕佸鍔犳潯
浠?/p>
锛?/p>
锛?/p>
A
锛庘垹
A=
鈭?/p>
D
B
锛庘垹
E=
鈭?/p>
C
C
锛庘垹
A=
鈭?/p>
C
D
锛庘垹
l=
鈭?/p>
2
绛旀锛?/p>
D
4
锛?/p>
濡傚浘鎵�绀猴紝宸茬煡
AD
鈯?/p>
BC
锛?/p>
BD=CD
锛屽垯鈶犫柍
ABD
鈮屸柍
ACD
锛屸憽鈻?/p>
ABD
鍜屸柍
ACD
涓嶅叏