2019
鐗堟暟瀛︾簿鍝佽祫鏂欙紙鍖楀笀澶х増锛?/p>
姝ｆ柟褰㈢殑鎬ц川涓庡垽瀹?/p>
鍚屾缁冧範
涓�銆佸～绌洪
1
銆佸鍥撅紝
E
鏄鏂瑰舰
ABCD
鐨勫瑙掔嚎
BD
涓婁竴鐐癸紝涓?/p>
BE
锛?/p>
BC
锛屽垯鈭?/p>
ACE
锛?/p>
掳
.
2
銆佸鍥撅紝鍥涜竟褰?/p>
ABDC
鏄鏂瑰舰锛屽欢闀?/p>
CD
鍒扮偣
E
锛屼娇
CE=CB
锛屽垯鈭?/p>
AEC
锛?/p>
掳
.
3
銆佸鍥撅紝
姝ｆ柟褰?/p>
ABCD
涓紝寤堕暱绾夸笂锛?/p>
AE
骞冲垎鈭?/p>
DAC,
鍒欎笅鍒楃粨璁猴細
鈶犫垹
E=22.5掳
锛?/p>
鈶♀垹
AFC=112.5掳
锛?/p>
鈶?/p>
鈭?/p>
ACE=135掳
锛涒懀
AC=CE
锛涒懁
AD
鈭?/p>
CE=1
鈭?/p>
2.
鍏朵腑姝ｇ‘鐨勬湁
涓?/p>
.
4
銆佸鍥撅紝绛夎竟鈻?/p>
EDC
鍦ㄦ鏂瑰舰
ABCD
鍐咃紝杩炵粨
EA
銆?/p>
EB
锛屽垯鈭?/p>
AEB
锛?/p>
掳
锛涒垹
ACE
锛?/p>
掳
.
5
銆佸凡鐭ユ鏂瑰舰
ABCD
锛屼互
CD
涓鸿竟浣滅瓑杈光柍
CDE
锛屽垯鈭?/p>
AED
鐨勫害鏁版槸
掳
.
6
銆佸鍥撅紝鍥涜竟褰?/p>
ABCD
鏄鏂?/p>
D
涓婁竴鐐癸紝鑻?/p>
鈻?/p>
AFB
缁忚繃閫嗘椂閽堟棆杞
胃
锛?/p>
0
掳锛?/p>
胃
锛?/p>
180
掳锛夊悗锛屼笌
鈻?/p>
AED
閲嶅悎锛屽垯
胃
鍊间负
掳
绗?/p>
6
棰樺浘
绗?/p>
7
棰樺浘
绗?/p>
8
棰樺浘
绗?/p>
9
棰樺浘
7
銆佸凡鐭ユ鏂瑰舰鐐?/p>
E
鍦ㄨ竟
DC
涓婏紝
DE = 2
锛?/p>
EC = 1
锛屾妸绾挎
AE
缁曠偣
A
鏃嬭浆锛屼娇鐐?/p>
E
钀藉湪鐩寸嚎
BC
涓婄殑鐐?/p>
F
澶勶紝鍒?/p>
F
銆?/p>
C
涓ょ偣鐨勮窛绂讳负
___________.
8
銆佸鍥撅紝姝ｆ柟褰?/p>
ABCD
鐨勨柍
ABE
鏄瓑杈逛笁瑙掑舰锛岀偣
E
鍦ㄦ鏂瑰舰
ABCD
鍐咃紝鍦ㄥ瑙掔嚎
AC
涓婃湁涓�鐐?/p>
P
锛屼娇
PD
锛?/p>
PE
鐨勫拰鏈�灏忥紝鍒欒繖涓渶灏忓�间负
.
9
銆佸鍥撅紝鍥涜竟褰?/p>
ABCD
鏄竟闀夸负
9
鐨勬鏂瑰舰绾哥墖锛屽皢鍏舵部
MN
鎶樺彔锛屼娇鐐?/p>
B
钀藉湪
CD
杈逛笂鐨?/p>
B
飩?/p>
澶勶紝鐐?/p>
A
瀵瑰簲鐐逛负
A
飩?/p>
锛屼笖
C
B
飩?/p>
=3
锛屽垯
CN=
锛?/p>
AM
鐨勯暱鏄?/p>
.
10
銆佹鏂瑰舰鐨勯潰绉槸
3
1
锛屽垯鍏跺瑙掔嚎闀挎槸
________.
11
銆?/p>
濡傚浘锛?/p>
涓変釜杈归暱鍧囦负
2
鐨勬鏂瑰舰閲嶅彔鍦ㄤ竴璧凤紝
O
1
銆?/p>
O
2
鏄叾涓袱涓鏂瑰舰鐨勪腑蹇冿紝
鍒欓槾褰遍儴鍒嗙殑闈㈢Н鏄?/p>
.
12
銆佸鍥撅紝灏?/p>
n
涓竟闀挎鏂瑰舰鎸夊鍥炬墍绀烘憜鏀撅紝鐐?/p>
A
1
銆?/p>
A
2
銆佲�︺�?/p>
A
n
鍒嗗埆鏄鏂瑰舰鐨勪腑蹇冿紝鍒?/p>
n
涓繖鏍风殑姝?
鏂瑰舰閲嶅彔閮ㄥ垎鐨勯潰绉拰涓?/p>
.
绗?/p>
1
棰樺浘
绗?/p>
2
棰樺浘
绗?/p>
3
棰樺浘
绗?/p>
4
棰樺浘
O
2
O
1
绗?/p>
11
棰樺浘
绗?/p>
14
棰樺浘