2018
骞寸
涔濆勾绾т笂瀛︽湡
绗?/p>
24
绔?/p>
鍦?/p>
鍗曞厓娴嬭瘯鍗?/p>
鏁?/p>
瀛?/p>
璇?/p>
鍗?/p>
鑰冭瘯鏃堕棿锛?/p>
120
鍒嗛挓锛涙弧鍒嗭細
150
鍒?/p>
瀛︽牎
:___________
濮撳悕锛?/p>
___________
鐝骇锛?/p>
___________
鑰冨彿锛?/p>
___________
棰樺彿
涓�
浜?/p>
涓?/p>
鎬诲垎
寰楀垎
璇勫嵎浜?/p>
寰?/p>
鍒?/p>
涓�锛?/p>
閫夋嫨棰?/p>
锛堝叡
10
灏忛锛?/p>
婊″垎
40
鍒嗭紝
姣忓皬棰?/p>
4
鍒嗭級
1
锛?/p>
锛?/p>
4
鍒嗭級
宸茬煡鈯?/p>
O
鐨勭洿寰?/p>
CD=10cm
锛?/p>
AB
鏄姍
O
鐨勫鸡锛?/p>
AB
鈯?/p>
CD
锛屽瀭瓒充负
M
锛屼笖
AB=8cm
锛屽垯
AC
鐨勯暱涓猴紙
锛?/p>
A
锛?/p>
2
5
cm
B
锛?/p>
4
5
cm
C
锛?/p>
2
5
cm
鎴?/p>
4
5
cm
D
锛?/p>
2
3
cm
鎴?/p>
4
3
cm
2
锛?/p>
锛?/p>
4
鍒嗭級濡傚浘锛屸姍
O
涓紝寮?/p>
BC
涓庡崐寰?/p>
OA
鐩镐氦浜庣偣
D
锛岃繛鎺?/p>
AB
锛?/p>
OC
锛庤嫢鈭?/p>
A=60掳
锛?/p>
鈭?/p>
ADC=85掳
锛屽垯鈭?/p>
C
鐨勫害鏁版槸锛?/p>
锛?/p>
A
锛?/p>
25掳
B
锛?/p>
27.5掳
C
锛?/p>
30掳
D
锛?/p>
35掳
3
锛?/p>
锛?/p>
4
鍒嗭級宸茬煡鈯?/p>
O
鐨勫崐寰勪负
5cm
锛岀洿绾?/p>
1
涓婃湁涓�鐐?/p>
P
锛?/p>
OP=5cm
锛屽垯鐩寸嚎
1
涓庘姍
O
鐨勪綅
缃叧绯讳负锛?/p>
锛?/p>
A
锛庣浉浜?/p>
B
锛庣浉绂?/p>
C
锛庣浉鍒?/p>
D
锛庣浉浜ゆ垨鐩稿垏
4
锛?/p>
锛?/p>
4
鍒嗭級濡傚浘鎵�绀猴紝
AB
鏄姍
O
鐨勭洿寰勶紝
PA
鍒団姍
O
浜庣偣
A
锛岀嚎娈?/p>
PO
浜も姍
O
浜庣偣
C
锛岃繛
缁?/p>
BC
锛岃嫢鈭?/p>
P=36掳
锛屽垯鈭?/p>
B
绛変簬锛?/p>
锛?/p>
A
锛?/p>
27掳
B
锛?/p>
32掳
C
锛?/p>
36掳
D
锛?/p>
54掳