绮惧搧鏂囨。
銆?/p>
1
娆㈣繋涓嬭浇
绾挎鐨勫瀭鐩村钩鍒嗙嚎涓庤鐨勫钩鍒嗙嚎
涓�銆侀�夋嫨棰?/p>
1
锛?/p>
濡傚浘
1
锛?/p>
鍦ㄢ柍
ABC
涓紝
AD
骞冲垎鈭?/p>
CAE
锛?/p>
鈭?/p>
B=
30
飩?/p>
锛?/p>
鈭?/p>
CAD=
65
飩?/p>
锛?/p>
鍒欌垹
ACD
绛変簬
锛?/p>
锛?/p>
A
锛?/p>
50
飩?/p>
B
锛?/p>
65
飩?/p>
C
锛?/p>
80
飩?/p>
D
锛?/p>
95
飩?/p>
2
锛?/p>
濡傚浘
2
锛?/p>
鍦ㄢ柍
ABD
涓紝
AD=4
锛?/p>
AB=3
锛?/p>
AC
骞冲垎鈭?/p>
BAD
锛?/p>
鍒?/p>
:
ABC
ACD
S
S
飦?/p>
飦?/p>
=
锛?/p>
锛?/p>
A
锛?/p>
3:
4
B
锛?/p>
4
:3
C
锛?/p>
16:19
D
锛庝笉鑳界‘瀹?/p>
3
锛?/p>
濡傚浘
3
锛?/p>
鍦ㄢ柍
ABC
涓紝
鈭?/p>
C=
90
飩?/p>
锛?/p>
AD
骞冲垎鈭?/p>
BAC
锛?/p>
DE
鈯?/p>
AB
浜?/p>
E
锛?/p>
鍒欎笅鍒楃粨璁猴細
鈶?/p>
AD
骞冲垎鈭?/p>
CDE
锛?/p>
鈶♀垹
BAC=
鈭?/p>
BDE
锛涒憿
DE
骞冲垎鈭?/p>
ADB
锛涒懀
BE+AC=AB
銆傚叾涓纭殑鏈?/p>
锛?/p>
锛?/p>
A
锛?/p>
2
涓?/p>
B
锛?/p>
3
涓?/p>
C
锛?/p>
4
涓?/p>
D
锛?/p>
1
涓?/p>
4
锛庡鍥?/p>
4
锛?/p>
AD
鈭?/p>
BC
锛屸垹
D=
90
飩?/p>
锛?/p>
AP
骞冲垎鈭?/p>
DAB
锛?/p>
PB
骞冲垎鈭?/p>
ABC
锛岀偣
P
鎭板ソ鍦?/p>
CD
涓婏紝鍒?/p>
PD
涓?/p>
PC
鐨勫ぇ灏忓叧绯绘槸
锛?/p>
锛?/p>
A
锛?/p>
PD>PC B
锛?/p>
PD<PC C
锛?/p>
PD=PC D
锛庢棤娉曞垽鏂?/p>
銆?/p>
5
銆?/p>
鍦?/p>
涓?/p>
瑙?/p>
褰?/p>
鍐?/p>
閮?/p>
锛?/p>
鏈?/p>
涓�
鐐?/p>
P
鍒?/p>
涓?/p>
瑙?/p>
褰?/p>
涓?/p>
涓?/p>
椤?/p>
鐐?/p>
鐨?/p>
璺?/p>
绂?/p>
鐩?/p>
绛?/p>
锛?/p>
鍒?/p>
鐐?/p>
P
涓�
瀹?/p>
鏄?/p>
锛?/p>
锛?/p>
A
銆佷笁瑙掑舰涓夋潯瑙掑钩鍒嗙嚎鐨勪氦鐐癸紱
B
銆佷笁瑙掑舰涓夋潯鍨傜洿骞冲垎绾跨殑浜ょ偣锛?/p>
C
銆佷笁瑙掑舰涓夋潯涓嚎鐨勪氦鐐癸紱
D
銆佷笁瑙掑舰涓夋潯楂樼殑浜ょ偣銆?/p>
6
銆?/p>
宸?/p>
鐭?/p>
鈻?/p>
ABC
鐨?/p>
涓?/p>
杈?/p>
鐨?/p>
鍨?/p>
鐩?/p>
骞?/p>
鍒?/p>
绾?/p>
浜?/p>
鐐?/p>
鍦?/p>
鈻?/p>
ABC
鐨?/p>
杈?/p>
涓?/p>
锛?/p>
鍒?/p>
鈻?/p>
ABC
鐨?/p>
褰?/p>
鐘?/p>
涓?/p>
锛?/p>
锛?/p>
A
銆侀攼瑙掍笁瑙掑舰锛?/p>
B
銆佺洿瑙掍笁瑙掑舰锛?/p>
C
銆侀挐瑙掍笁瑙掑舰锛?/p>
D
銆佷笉鑳界‘瀹?/p>
7
銆?/p>
濡傚浘鎵�绀猴紝鍦ㄢ柍
ABC
涓紝鈭?/p>
BAC
锛?/p>
90
掳锛?/p>
AD
鈯?/p>
BC
浜?/p>
D
锛?/p>
BE
骞冲垎鈭?/p>
ABC
浜?/p>
AD
浜?/p>
E
锛?/p>
F
鍦?/p>
BC
涓婏紝
骞朵笖
BF
锛?/p>
AB
锛屽垯涓嬪垪鍥涗釜缁撹锛氣憼
EF
鈭?/p>
AC
锛屸憽鈭?/p>
EFB
锛濃垹
BAD
锛屸憿
AE
锛?/p>
EF
锛屸懀鈻?/p>
ABE
鈮屸柍
FBE
锛?/p>
鍏朵腑姝ｇ‘鐨勭粨璁烘湁
锛?/p>
锛?/p>
A
銆佲憼鈶♀憿鈶?/p>
B
銆佲憼鈶?/p>
C
銆佲憽鈶?/p>
D
銆佲憽鈶⑩懀
7
棰樺浘
8
棰樺浘
9
棰樺浘
F
D
E
C
B
A
D
E
C
B
A
P
D
C
B
A
E
D
C
B
A
D
C
B
A
E
D
C
B
A
鍥?/p>
3
鍥?/p>
4
鍥?/p>
1
鍥?/p>
2
c
b
a