鍒濅笁鏁板
鍦嗙殑缁煎悎鐨勪笓椤?/p>
鍩逛紭
鏄撻敊
闅鹃缁冧範棰橀檮璇︾粏绛旀
涓�銆佸渾鐨勭患鍚?/p>
1
锛?/p>
濡傚浘
1
锛岀洿瑙掓褰?/p>
OABC
涓紝
BC
鈭?/p>
OA
锛?/p>
OA=6
锛?/p>
BC=2
锛?/p>
鈭?/p>
BAO=45掳
锛?/p>
锛?/p>
1
锛?/p>
OC
鐨勯暱涓?/p>
锛?/p>
锛?/p>
2
锛?/p>
D
鏄?/p>
OA
涓婁竴鐐癸紝浠?/p>
BD
涓虹洿寰勪綔
鈯?/p>
M
锛?/p>
鈯?/p>
M
浜?/p>
AB
浜庣偣
Q
锛庡綋
鈯?/p>
M
涓?/p>
y
杞寸浉鍒囨椂锛?/p>
sin
鈭?/p>
BOQ=
锛?/p>
锛?/p>
3
锛夊鍥?/p>
2
锛屽姩鐐?/p>
P
浠ユ瘡绉?/p>
1
涓崟浣嶉暱搴︾殑閫熷害锛屼粠鐐?/p>
O
娌跨嚎娈?/p>
OA
鍚戠偣
A
杩愬姩锛涘悓鏃跺姩
鐐?/p>
D
浠ョ浉鍚岀殑閫熷害锛屼粠鐐?/p>
B
娌挎姌绾?/p>
B
锕?/p>
C
锕?/p>
O
鍚戠偣
O
杩愬姩锛庡綋鐐?/p>
P
鍒拌揪鐐?/p>
A
鏃讹紝涓ょ偣鍚屾椂
鍋滄杩愬姩锛庤繃鐐?/p>
P
浣滅洿绾?/p>
PE
鈭?/p>
OC
锛屼笌鎶樼嚎
O
锕?/p>
B
锕?/p>
A
浜や簬鐐?/p>
E
锛庤鐐?/p>
P
杩愬姩鐨勬椂闂翠负
t
锛堢锛夛紟姹傚綋浠?/p>
B
銆?/p>
D
銆?/p>
E
涓洪《鐐圭殑涓夎褰㈡槸鐩磋涓夎褰㈡椂鐐?/p>
E
鐨勫潗鏍囷紟
銆愮瓟妗堛�戯紙
1
锛?/p>
4
锛涳紙
2
锛?/p>
3
5
锛涳紙
3
锛夌偣
E
鐨勫潗鏍囦负锛?/p>
1
锛?/p>
2
锛夈�侊紙
5
3
锛?/p>
10
3
锛夈�侊紙
4
锛?/p>
2
锛夛紟
銆愯В鏋愩�?/p>
鍒嗘瀽锛氾紙
1
锛夎繃鐐?/p>
B
浣?/p>
BH
鈯?/p>
OA
浜?/p>
H
锛屽鍥?/p>
1
锛?/p>
1
锛夛紝鏄撹瘉鍥涜竟褰?/p>
OCBH
鏄煩褰紝浠庤�屾湁
OC
=
BH
锛屽彧闇�鍦?/p>
鈻?/p>
AHB
涓繍鐢ㄤ笁瑙掑嚱鏁版眰鍑?/p>
BH
鍗冲彲锛?/p>
锛?/p>
2
锛夎繃鐐?/p>
B
浣?/p>
BH
鈯?/p>
OA
浜?/p>
H
锛岃繃鐐?/p>
G
浣?/p>
GF
鈯?/p>
OA
浜?/p>
F
锛岃繃鐐?/p>
B
浣?/p>
BR
鈯?/p>
OG
浜?/p>
R
锛岃繛鎺?/p>
MN
銆?/p>
DG
锛屽鍥?/p>
1
锛?/p>
2
锛夛紝鍒欐湁
OH
=2
锛?/p>
BH
=4
锛?/p>
MN
鈯?/p>
OC
锛庤鍦嗙殑鍗婂緞涓?/p>
r
锛屽垯
MN
=
MB
=
MD
=
r
锛庡湪
Rt
鈻?/p>
BHD
涓繍鐢ㄥ嬀鑲″畾鐞嗗彲姹傚嚭
r
=2
锛屼粠鑰屽緱鍒扮偣
D
涓庣偣
H
閲嶅悎锛庢槗璇?/p>
鈻?/p>
AFG
鈭?/p>
鈻?/p>
ADB
锛屼粠鑰屽彲姹傚嚭
AF
銆?/p>
GF
銆?/p>
OF
銆?/p>
OG
銆?/p>
OB
銆?/p>
AB
銆?/p>
BG
锛庤
OR
=
x
锛屽埄鐢?/p>
BR
2
=
OB
2
锕?/p>
OR
2
=
BG
2
锕?/p>
RG
2
鍙眰鍑?/p>
x
锛岃繘鑰屽彲姹傚嚭
BR
锛庡湪
Rt
鈻?/p>
ORB
涓繍鐢ㄤ笁瑙掑嚱鏁板氨鍙В鍐抽棶棰橈紟
锛?/p>
3
锛夌敱浜?/p>
鈻?/p>
BDE
鐨勭洿瑙掍笉纭畾锛屾晠闇�鍒嗘儏鍐佃璁猴紝鍙垎涓夌鎯呭喌锛?/p>
鈶?/p>
鈭?/p>
BDE
=90掳
锛?/p>
鈶?/p>
鈭?/p>
BED
=90掳
锛?/p>
鈶?/p>
鈭?/p>
DBE
=90掳
锛夎璁猴紝鐒跺悗杩愮敤鐩镐技涓夎褰㈢殑鎬ц川鍙婁笁瑙掑嚱鏁扮瓑鐭ヨ瘑寤虹珛
鍏充簬
t
鐨勬柟绋嬪氨鍙В鍐抽棶棰橈紟
璇﹁В锛氾紙
1
锛夎繃鐐?/p>
B
浣?/p>
BH
鈯?/p>
OA
浜?/p>
H
锛屽鍥?/p>
1
锛?/p>
1
锛夛紝鍒欐湁
鈭?/p>
BHA
=90掳
=
鈭?/p>
COA
锛?/p>
鈭?/p>
OC
鈭?/p>
BH
锛?/p>
鈭?/p>
BC
鈭?/p>
OA
锛?/p>
鈭?/p>
鍥涜竟褰?/p>
OCBH
鏄煩褰紝
鈭?/p>
OC
=
BH
锛?/p>
BC
=
OH
锛?/p>
鈭?/p>
OA
=6
锛?/p>
BC
=2
锛?/p>
鈭?/p>
AH
=0
A
锕?/p>
OH
=
OA
锕?/p>
BC
=6
锕?/p>
2=4
锛?/p>
鈭?/p>
鈭?/p>
BHA
=90掳
锛?/p>
鈭?/p>
BAO
=45掳
锛?/p>
鈭?/p>
tan
鈭?/p>
BAH
=
BH
HA
=1
锛?/p>
鈭?/p>
BH
=
HA
=4
锛?/p>
鈭?/p>
OC
=
BH
=4
锛?/p>
鏁呯瓟妗堜负
4
锛?/p>
锛?/p>
2
锛夎繃鐐?/p>
B
浣?/p>
BH
鈯?/p>
OA
浜?/p>
H
锛岃繃鐐?/p>
G
浣?/p>
GF
鈯?/p>
OA
浜?/p>
F
锛岃繃鐐?/p>
B
浣?/p>
BR
鈯?/p>
OG
浜?/p>
R
锛岃繛鎺?/p>
MN
銆?/p>
DG
锛屽鍥?/p>
1
锛?/p>
2
锛夛紟