绗?/p>
1
椤?/p>
鍏?/p>
4
椤?/p>
鍥?/p>
3
鍥?/p>
2
鍥?/p>
1
F
E
D
C
B
A
G
G
A
B
C
D
E
F
F
E
D
C
B
A
F
N
M
D
C
B
A
70掳
100掳
鐩镐氦绾夸笌骞宠绾块噸闅剧偣涓撻璁粌
涓撻涓�
鍚勭鑳屾櫙涓嬬殑骞宠
1.
灏嗕竴寮犻暱鏂瑰舰绾告潯
ABCD
鎸夊鍥炬墍绀烘姌鍙狅紝鑻ユ姌鍙犺鈭?/p>
FEC
=64掳
锛屽垯
鈭?/p>
1=______
锛?/p>
2.
濡傚浘锛屽皢涓�涓暱鏂瑰舰绾哥墖
ABCD
娌跨潃
EF
鎶樺彔锛屼娇鐐?/p>
C
锛?/p>
D
鍒嗗埆钀藉湪鐐?/p>
C'
锛?
D'
澶勶紝鑻モ垹
BFE
=70掳
锛屽垯鈭?/p>
AED'
鐨勫害鏁颁负锛?/p>
锛?/p>
A
锛?/p>
70掳
B
锛?/p>
40掳
C
锛?/p>
30掳
D
锛?/p>
20掳
3.
濡傚浘锛?/p>
AB
鈭?/p>
CD
锛岀偣
P
锛?/p>
P
1
锛?/p>
P
2
鍒嗗埆鍦ㄤ袱鏉″钩琛岀嚎涔嬮棿锛屸垹
P
=40掳
锛?/p>
鈭?/p>
P
2
=130掳
锛?/p>
鑻モ垹
P
AP
1
=
1
3
鈭?/p>
P
AP
2
锛?/p>
鈭?/p>
PCP
1
=
1
3
鈭?/p>
PCP
2
锛?/p>
鍒欌垹
P
1
鐨勫害鏁颁负
锛?/p>
锛?/p>
A
锛?/p>
60掳
B
锛?/p>
65掳
C
锛?/p>
70掳
D
锛?/p>
80掳
4.
濡傚浘
1
鏄暱鏂瑰舰绾稿甫锛屸垹
DEF
=25掳
锛屽皢绾稿甫娌?/p>
EF
鎶樺彔鎴愬浘
2
锛屽啀娌?/p>
BF
鎶樺彔
鎴愬浘
3
锛屽垯鍥?/p>
3
涓殑鈭?/p>
CFE
鐨勫害鏁版槸
________
锛?/p>
5.
濡傚浘锛屽湪鍥涜竟褰?/p>
ABCD
涓紝鐐?/p>
M
锛?/p>
N
鍒嗗埆鍦?/p>
AB
锛?/p>
BC
杈逛笂锛屽皢鈻?/p>
BMN
娌?/p>
MN
缈绘姌锛屽緱鈻?/p>
FMN
锛岃嫢
MF
鈭?/p>
AD
锛?/p>
FN
鈭?/p>
CD
锛屽垯鈭?/p>
B
=___________
锛?/p>
6.
灏嗕竴鍓洿瑙掍笁瑙掓澘
ABC
鍜?/p>
EDF
濡傚浘鏀剧疆锛堝叾涓垹
A
=60掳
锛屸垹
F
=45掳
锛夛紝浣跨偣
E
钀藉湪
AC
杈逛笂锛屼笖
ED
鈭?/p>
BC
锛屽垯鈭?/p>
CEF
鐨勫害鏁颁负
_________
锛?/p>
F
E
D
C
B
A
C'
D'
1
G
F
E
D
C
B
A
绗?/p>
1
棰?/p>
C'
D'
F
E
D
C
B
A
绗?/p>
2
棰?/p>
P
2
P
1
P
D
C
B
A
绗?/p>
3
棰?/p>