A
锛?/p>
AD=BC
B
锛?/p>
OA=OC
C
锛?/p>
AB=CD
D
锛庘垹
ABC+
鈭?/p>
BCD=180
掳
2
锛庡垎鍒繃涓�涓笁瑙掑舰鐨?/p>
3
涓《鐐逛綔瀵硅竟鐨勫钩琛岀嚎锛岃繖浜涘钩琛岀嚎涓や袱鐩镐氦锛屽垯鏋勬垚鐨勫钩
琛屽洓杈瑰舰鐨勪釜鏁版槸锛?/p>
C
锛?/p>
A
锛?/p>
1
涓?/p>
B
锛?/p>
2
涓?/p>
C
锛?/p>
3
涓?/p>
D
锛?/p>
4
涓?/p>
3
锛庡凡鐭ュ洓杈瑰舰
ABCD
涓紝
AC
涓?/p>
BD
浜や簬鐐?/p>
O
锛屽鏋滃彧缁欏嚭鏉′欢鈥?/p>
AB
鈭?/p>
CD
鈥?/p>
锛岄偅涔堝彲浠ュ垽瀹?/p>
鍥涜竟褰?/p>
ABCD
鏄钩琛屽洓杈瑰舰鐨勬槸锛?/p>
C
锛?/p>
鈶犲啀鍔犱笂鏉′欢鈥?/p>
BC=AD
鈥?/p>
锛屽垯鍥涜竟褰?/p>
ABCD
涓�瀹氭槸骞宠鍥涜竟褰紟
鈶″啀鍔犱笂鏉′欢鈥溾垹
BAD=
鈭?/p>
BCD
鈥?/p>
锛屽垯鍥涜竟褰?/p>
ABCD
涓�瀹氭槸骞宠鍥涜竟褰紟
鈶㈠啀鍔犱笂鏉′欢鈥?/p>
AO=CO
鈥?/p>
锛屽垯鍥涜竟褰?/p>
ABCD
涓�瀹氭槸骞宠鍥涜竟褰紟
鈶ｅ啀鍔犱笂鏉′欢鈥溾垹
DBA=
鈭?/p>
CAB
鈥?/p>
锛屽垯鍥涜竟褰?/p>
ABCD
涓�瀹氭槸骞宠鍥涜竟褰紟
A
锛庘憼鍜屸憽
B
锛庘憼鈶㈠拰鈶?/p>
C
锛庘憽鍜屸憿
D
锛庘憽鈶㈠拰鈶?/p>
4
锛庝笅鍒楁潯浠朵腑锛屼笉鑳藉垽瀹氬洓杈瑰舰鏄钩琛屽洓杈瑰舰鐨勬槸锛?/p>
B
锛?/p>
A
锛庝袱缁勫杈瑰垎鍒钩琛?/p>
B
锛庝竴缁勫杈瑰钩琛岋紝鍙︿竴缁勫杈圭浉绛?/p>
C
锛庝袱缁勫杈瑰垎鍒浉绛?/p>
D
锛庝竴缁勫杈瑰钩琛屼笖鐩哥瓑
5
锛庡鍥撅紝鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴涓紝浠?/p>
A
锛?/p>
-1
锛?/p>
0
锛?/p>
锛?/p>
B
锛?/p>
2
锛?/p>
0
锛?/p>
锛?/p>
C
锛?/p>
0
锛?/p>
1
锛変负椤剁偣鏋勯�犲钩琛?/p>
鍥涜竟褰紝涓嬪垪鍚勭偣涓笉鑳戒綔涓哄钩琛屽洓杈瑰舰椤剁偣鍧愭爣鐨勬槸锛?/p>
B
锛?/p>