鍒濅腑鏁板璇曞嵎
榧庡皻鍥炬枃
**
鏁寸悊鍒朵綔
浜烘暀鐗堜節骞寸骇鏁板涓婂唽绗?/p>
24
绔犲渾鍗曞厓娴嬭瘯棰橈紙鍚瓟妗堬級
涓�锛庨�夋嫨棰橈紙鍏?/p>
10
灏忛锛?/p>
1
锛庝笅鍒楄娉曪紝姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛庡鸡鏄洿寰?/p>
B
锛?/p>
寮?/p>
鏄崐鍦?/p>
C
锛庡崐鍦嗘槸寮?/p>
D
锛?/p>
杩?/p>
鍦嗗績鐨勭嚎娈垫槸鐩村緞
2
锛庡鍥撅紝鍦ㄥ崐寰勪负
5cm
鐨勨姍
O
涓紝寮?/p>
AB=6cm
锛?/p>
OC
鈯?/p>
AB
浜庣偣
C
锛屽垯
OC=
锛?/p>
锛?/p>
A
锛?/p>
3cm
B
锛?/p>
4
cm
C
锛?/p>
5
cm
D
锛?/p>
6
cm
锛?/p>
2
棰樺浘锛?/p>
锛?/p>
3
棰樺浘锛?/p>
锛?/p>
4
棰樺浘锛?/p>
锛?/p>
5
棰樺浘锛?/p>
锛?/p>
8
棰樺浘锛?/p>
3
锛庝竴涓毀閬撶殑妯埅闈㈠鍥炬墍绀猴紝瀹冪殑褰㈢姸鏄互鐐?/p>
O
涓哄渾蹇冿紝
5
涓哄崐寰勭殑鍦嗙殑涓�閮ㄥ垎锛?/p>
M
鏄?/p>
鈯?/p>
O
涓鸡
CD
鐨勪腑鐐癸紝
EM
缁忚繃鍦嗗績
O
浜も姍
O
浜庣偣
E
锛庤嫢
CD=6
锛屽垯闅ч亾鐨勯珮锛?/p>
ME
鐨勯暱锛?/p>
涓猴紙
锛?/p>
A
锛?/p>
4
B
锛?/p>
6
C
锛?/p>
8
D
锛?/p>
9
4
锛庡鍥撅紝
AB
鏄姍
O
鐨勭洿寰勶紝
=
=
锛屸垹
COD=34掳
锛屽垯鈭?/p>
AEO
鐨勫害鏁版槸锛?/p>
锛?/p>
A
锛?/p>
51掳
B
锛?/p>
5
6掳
C
锛?/p>
6
8掳
D
锛?/p>
7
8掳
5
锛庡鍥撅紝鍦ㄢ姍
O
涓紝寮?/p>
AC
鈭ュ崐寰?/p>
OB
锛屸垹
BOC=50掳
锛屽垯鈭?/p>
OAB
鐨勫害鏁颁负锛?/p>
锛?/p>
A
锛?/p>
25掳
B
锛?/p>
5
0掳
C
锛?/p>
6
0掳
D
锛?/p>
3
0掳
6
锛?/p>
鈯?/p>
O
鐨勫崐寰勪负
5cm
锛?/p>
鐐?/p>
A
鍒板渾蹇?/p>
O
鐨勮窛绂?/p>
OA=3cm
锛?/p>
鍒欑偣
A
涓庡渾
O
鐨勪綅缃叧绯讳负
锛?/p>
锛?/p>
A
锛庣偣
A
鍦ㄥ渾涓?/p>
B
锛?/p>
鐐?/p>
A
鍦ㄥ渾鍐?/p>
C
锛?/p>
鐐?/p>
A
鍦ㄥ渾澶?/p>
D
锛?/p>
鏃?/p>
娉曠‘瀹?/p>
7
锛?/p>
宸茬煡鈯?/p>
O
鐨勭洿寰勬槸
10
锛?/p>
鍦嗗績
O
鍒扮洿绾?/p>
l
鐨勮窛绂绘槸
5
锛?/p>
鍒欑洿绾?/p>
l
鍜屸姍
O
鐨勪綅缃叧绯绘槸
锛?/p>
锛?/p>
A
锛庣浉绂?/p>
B
锛?/p>
鐩?/p>
浜?/p>
C
锛?/p>
鐩?/p>
鍒?/p>
D
锛?/p>
澶?/p>
鍒?/p>
8
锛庡鍥撅紝姝ｅ叚杈瑰舰
ABCDEF
鍐呮帴浜庘姍
O
锛屽崐寰勪负
4
锛屽垯杩欎釜姝ｅ叚杈瑰舰鐨勮竟蹇冭窛
OM
鍜?/p>
鐨?
闀垮垎鍒负锛?/p>
锛?/p>
A
锛?/p>
2
锛?
B
锛?/p>
2
锛?/p>
蟺
C
锛?/p>
锛?
D
锛?/p>
2
锛?
9
锛?/p>
濡傚浘锛?/p>
鍥涜竟褰?/p>
ABCD
鏄姍
O
鐨勫唴鎺ュ洓杈瑰舰锛?/p>
鈯?/p>
O
鐨勫崐寰勪负
2
锛?/p>
鈭?/p>
B=135掳
锛?/p>
鍒?/p>
鐨勯暱
锛?/p>
锛?/p>
A
锛?/p>
2蟺
B
锛?/p>
蟺
C
锛?/p>
D
锛?/p>