绗簩鍗佸洓绔犲渾涓�銆侀�夋嫨棰?/p>
1
锛庡鍥撅紝
AB
鏄姍
O
鐨勭洿
寰勶紝
AC
鏄姍
O
鐨勫垏绾匡紝
A
涓哄垏鐐癸紝杩炴帴
BC
浜も姍
O
浜?/p>
鐐?/p>
D
锛?/p>
杩炴帴
AD
锛岃嫢鈭?/p>
ABC
锛?/p>
45掳
锛屽垯涓嬪垪缁撹姝ｇ‘鐨?/p>
鏄?/p>
()11ADBCADACACABADDCA
锛庯紳
B
锛庯紳
C
锛庯紴
D
锛庯紴
222
锛庡鍥撅紝鈯?/p>
O
涓庢鏂瑰舰
ABCD
鐨勪袱杈?/p>
AB
锛?/p>
AD
鐩稿垏锛?/p>
涓?/p>
DE
涓庘姍
O
鐩稿垏浜庣偣
E.
鑻モ姍
O
鐨勫崐寰勪负
5
锛屼笖
AB
锛?/p>
11
锛屽垯
DE
鐨勯暱搴︿负
()
11
30A
锛?/p>
5B
锛?/p>
6C.D.
2cm3
锛庡
鍥撅紝浠庝竴寮犺叞闀夸负
60
锛岄《瑙掍负
120掳
鐨勭瓑鑵颁笁瑙掑舰閾?/p>
鐨?/p>
OAB
涓壀鍑轰竴涓渶澶х殑鎵囧舰
OCD
锛岀敤姝ゅ壀涓嬬殑鎵?/p>
褰㈤搧鐨洿鎴愪竴涓渾閿ョ殑渚ч潰
(
涓嶈鎹熻�?/p>
)
锛屽垯璇ュ渾閿ョ殑
楂樹负
()
A
锛?/p>
10cmB
锛?/p>
15cmC
锛?/p>
103cmD
锛?/p>
202cm4
锛庡
鍥撅紝鍦嗗舰钖勯搧鐗囦笌鐩磋涓夎灏恒�佺洿灏虹揣闈犲湪涓�璧峰钩鏀?/p>
鍦ㄦ闈笂锛庡凡鐭ラ搧鐗?/p>
cm
鐨勫渾蹇冧负
O
锛屼笁瑙掑昂鐨勭洿瑙?/p>
椤剁偣
C
钀藉湪鐩村昂鐨?/p>
10
澶勶紝閾佺墖涓庣洿灏虹殑鍞竴鍏叡
cm
鐐?/p>
A
钀藉湪鐩村昂鐨?/p>
14
澶勶紝閾佺墖涓庝笁瑙掑昂鐨勫敮涓�鍏叡鐐?/p>
涓?/p>
B.
涓嬪垪璇存硶閿欒鐨勬槸
()AOBCA
锛庡渾褰㈤搧鐗囩殑鍗婂緞鏄?/p>
4cmB
锛?/p>
鍥?/p>
杈?/p>
褰?/p>
涓?/p>
姝?/p>
鏂?/p>
褰?/p>
2
ABOABC
锛?/p>
寮?/p>
鐨?/p>
闀?/p>
搴?/p>
涓?/p>
4蟺cmD
锛?/p>
鎵?/p>
褰?/p>
鐨?/p>
闈?/p>
绉?/p>
鏄?/p>
4蟺cm5.
鍦?/p>
Rt
鈻?/p>
ABC
涓?/p>
锛?/p>
鈭?/p>
C=90掳
锛?/p>
AC=12
锛?/p>
BC=5
锛屽皢
鈻?/p>
ABC
缁曡竟
AC
鎵�鍦ㄧ洿绾?/p>
鏃?/p>
杞?/p>
涓�
鍛?/p>
寰?/p>
鍒?/p>
鍦?/p>
閿?/p>
锛?/p>
鍒?/p>
璇?/p>
鍦?/p>
閿?/p>
鐨?/p>
渚?/p>
闈?/p>
绉?/p>
鏄?/p>
()A.25蟺B.65蟺C.90蟺D.130蟺6
锛庡鍥撅紝
AB
鏄姍
O
鐨勫垏绾匡紝
B
涓哄垏鐐癸紝
AC
缁忚繃鐐?/p>
O
锛屼笌鈯?/p>
O
鍒嗗埆鐩镐氦浜庣偣
D
锛?/p>
C.