绗?/p>
3
棰?/p>
绗?/p>
6
棰?/p>
绗?/p>
8
棰?/p>
绗?/p>
9
棰?/p>
涔濆勾绾т笂鏁板鍛ㄦ湯鑷祴鍗?/p>
鐝骇
濮撳悕
搴у彿
1
锛庤绠楋細
锛?/p>
1
锛?/p>
飥?/p>
飩?/p>
7
3
锛?/p>
锛?/p>
2
锛?/p>
飥?/p>
飥?/p>
飥?/p>
)
1
3
)(
1
3
(
锛?/p>
2
锛庢柟绋?/p>
3
)
2
(
2
飥?/p>
飥?/p>
x
鐨勮В涓?/p>
锛?/p>
3
锛庡鍥撅紝
鍦ㄢ姍
O
涓紝
AB
锔?/p>
锛?/p>
AC
锔?
锛屸垹B 锛?/p>
飩?/p>
0
7
锛屽垯鈭燗锛?/p>
搴︼紟
4
锛庢幏涓ゆ灇纭竵锛屾闈㈤兘鏈濅笂鐨勬鐜囦负
锛?/p>
5
锛庤嫢鍏充簬
x
鐨勬柟绋?/p>
c
x
飥?/p>
2
鏈夎В锛屽垯
c
鐨勫彇鍊艰寖鍥存槸
.
6
锛庡鍥撅紝鍥涜竟褰?/p>
ABCD
鍐呮帴浜庘姍O锛岃嫢鈭燘OD=13
0
掳锛?/p>
鍒欏畠鐨勪竴涓瑙掆垹DCE
绛変簬
掳锛?/p>
7
锛庡啓鍑轰竴涓袱鏍逛簰涓虹浉鍙嶆暟鐨勪竴鍏冧簩娆℃柟绋嬶細
锛?/p>
8
锛庡鍥撅紝鐐?/p>
D
鏄瓑杈光柍
ABC
鍐?/p>
涓�鐐癸紝濡傛灉鈻矨BD
缁曠偣
A
閫嗘椂閽堟棆杞悗鑳戒笌鈻矨
CE
閲嶅悎锛岄偅涔堟棆杞簡
搴?/p>
.
9
锛庡鍥撅紝宸茬煡鈭燗
BC
锛?/p>
90
掳锛?/p>
AB
锛?/p>
蟺
r
锛?/p>
BC
锛?/p>
蟺
r
2
锛屽崐寰勪负
r
鐨勨姍O
浠庣偣
A
鍑哄彂锛?/p>
娌?/p>
A
鈫?/p>
B
鈫?/p>
C
鏂瑰悜婊氬姩鍒扮偣
C
鏃跺仠姝?/p>
.
璇蜂綘鏍规嵁棰樻剰锛屽湪鍥句笂鐢诲嚭鍦嗗績
锛庯紟
O
杩愬姩璺緞鐨?/p>
绀烘剰鍥撅紱鍦嗗績
O
杩愬姩鐨勮矾绋嬫槸
.
10
锛庝竴娆℃娊濂栨椿鍔ㄨ缃簡濡備笅鐨勭炕濂栫墝锛屽鏋滀綘鍙兘鍦?/p>
9
涓暟瀛椾腑閫変腑涓�涓炕鐗岋紝
锛?/p>
1
锛夊啓鍑哄緱鍒颁竴鏋舵樉寰暅鐨勬鐜囷紱
锛?/p>
2
锛夎浣犳牴鎹鎰忓啓鍑轰竴涓簨浠讹紝浣胯繖涓簨浠跺彂鐢熺殑姒傜巼鏄?
9
2
.
涓�鏋舵樉寰暅
涓ゅ紶鐞冪エ
璋㈣阿鍙備笌
涓�寮犲敱鐗?/p>
涓�鍓悆鎷?/p>
涓�寮犲敱鐗?/p>
涓ゅ紶鐞冪エ
涓�寮犲敱鐗?/p>
涓�鍓悆鎷?/p>
缈诲鐗屾闈?/p>
缈诲鐗屽弽闈?/p>
11
锛庡鍥撅紝
AB
涓衡姍O
鐨勫鸡锛?/p>
C
涓哄姡寮?/p>
AB
鐨勪腑鐐癸紝
锛?/p>
1
锛夎嫢鈯橭
鐨勫崐寰勪负
5
锛?/p>
AB=8
锛屾眰鍦嗗績
O
鍒?/p>
AB
鐨勮窛绂伙紱
锛?/p>
2
锛夎嫢鈭?/p>
D
AC=
鈭?/p>
BAC
锛屼笖鐐?/p>
D
鍦ㄢ姍O
鐨勫閮紝鍒ゆ柇
AD
涓庘姍O
鐨勪綅缃叧绯伙紝骞惰鏄庣悊鐢憋紟
2
1
2
3
4
5
6
7
8
9