1
/
4
3.1
骞虫柟鏍?/p>
鏁欏鐩爣
1.
浜嗚В骞虫柟鏍广�佺畻鏈钩鏂规牴鐨勬蹇碉紝浜嗚В骞虫柟涓庡紑骞虫柟鐨勫叧绯伙紟
2.
瀛︿細骞虫柟鏍瑰拰绠楁湳骞虫柟鏍圭殑琛ㄧず娉曞拰姹傞潪璐熸暟鐨勫钩鏂规牴锛?/p>
鏁欏閲嶉毦鐐?/p>
閲嶇偣锛氬钩鏂规牴鐨勬蹇靛拰姹傛硶锛?/p>
闅剧偣锛氬钩鏂规牴鐨勬蹇靛拰琛ㄧず锛?/p>
鏁欏杩囩▼
涓�銆佸垱璁炬儏鏅紝寮曚汉鏂拌
寮曚緥
宸茬煡姝ｆ柟褰㈣竟闀夸负
2cm
锛屾眰姝ｆ柟褰㈤潰绉紟
瑙ｏ細
S
锛?/p>
2
2
=4
锛?/p>
cm
锛?/p>
宸茬煡涓�涓暟姹傝繖涓暟鐨勫钩鏂癸紝
鐢ㄤ箻鏂硅繍绠楋紟
浣嗗凡鐭ヤ竴涓暟鐨勫钩鏂癸紝
瑕佹眰杩欎釜
鏁帮紝
鍙堣濡備綍姹傚緱锛熺鍚堣繖鏍锋潯浠剁殑鏁版湁鍑犱釜锛熻濡備綍琛ㄧず锛熻繖浜涢棶棰橀兘鏄繖鑺?/p>
璇捐瀛︿範鐨勫唴瀹癸紝鎻愬嚭璇鹃
鈥斺�?/p>
绗笁绔?/p>
瀹炴暟
3
锛?/p>
l
骞虫柟鏍癸紟
浜屻�佷氦娴佸璇濓紝鎺㈢┒鏂扮煡
瀹為檯鐢熸椿涓篃鏈変笌涓婅堪寮曚緥鐩稿弽鐨勯棶棰橈紟
鍙樺瀷
宸茬煡涓�涓鏂瑰舰鐨勯潰绉瓑浜?/p>
4 cm
2
锛屾眰瀹冪殑杈归暱锛?/p>
瑙ｏ細璁炬鏂瑰舰杈归暱涓?/p>
X
锛屼緷棰樻剰鏈?/p>
x
2
锛?/p>
4
锛?/p>
鈭?/p>
2
2
锛?/p>
4
锛?/p>
锛堬紞
2
锛?/p>
2
锛?/p>
4
锛屸埓婊¤冻
x
2
锛?/p>
4
鐨?/p>
x
鍊煎彲浠ユ槸
2
锛屼篃鍙互鏄?/p>
-2
锛屼絾姝?/p>
鏂瑰舰鐨勮竟闀夸笉鑳芥槸璐熸暟鈭?/p>
x
锛?/p>
2
锛?/p>
绛旓細瀹冪殑杈归暱涓?/p>
2cm
锛?/p>
宸茬煡鏌愭暟鐨勫钩鏂硅姹傝繖涓暟锛?/p>
鐢ㄥ紡瀛愭潵琛ㄧず灏卞簲鏄細
濡傛灉
x
2
锛?/p>
a
锛?/p>
姹?/p>
x
鐨勫�硷紟
杩?/p>
鍜屾垜浠竴寮�濮嬫彁鍑虹殑闂锛?/p>
姹備竴涓凡鐭ユ暟鐨勫钩鏂规濂芥槸鐩稿弽锛?/p>
瑕佽В鍐宠繖鏍蜂竴涓棶
棰橈紝灏遍』鍦ㄦ暟瀛︿笂寮曡繘涓�涓柊鐨勬蹇?/p>
鈥斺�?/p>
骞虫柟鏍癸紟
濡傛灉涓�涓暟鐨勫钩鏂圭瓑浜?/p>
a
锛岃繖涓暟鍙仛
a
鐨勫钩鏂规牴锛堜篃鍙仛浜屾鏂规牴锛?/p>
濡傦細
2
2
锛?/p>
4
锛?/p>
2
鏄?/p>
4
鐨勫钩鏂规牴锛?/p>
锛?/p>
-2
锛?/p>
2
=4
锛?/p>
锛?/p>
-2
锛変篃鏄?/p>
4
鐨勫钩鏂规牴锛庡嵆
4
鐨勫钩
鏂规牴鏄?/p>
卤
2
锛?/p>
缁冧範锛?/p>
1.
璇峰垎鍒鍑?/p>
49
锛?/p>
锛?/p>
0
鐨勫钩鏂规牴锛?/p>
2.-4
鏈夋病鏈夊钩鏂规牴锛屼负浠�涔堬紵
25
1