1
绗洓绔狅細鍩烘湰骞抽潰鍥惧舰
鐭ヨ瘑姊崇悊
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1
銆佺嚎娈点�佸皠绾裤�佺洿绾跨殑瀹氫箟
锛?/p>
1
锛夌嚎娈碉細绾挎鍙互杩戜技鍦扮湅鎴愭槸涓�鏉℃湁涓や釜绔偣鐨勫穿鐩翠簡鐨勭嚎銆傜嚎娈靛彲浠ラ噺鍑洪暱搴︺�?/p>
锛?/p>
2
锛夊皠绾匡細灏嗙嚎娈靛悜涓�涓柟鍚戞棤闄愬欢浼稿氨褰㈡垚浜嗗皠绾匡紝灏勭嚎鏈変竴涓鐐广�傚皠绾挎棤娉曢噺鍑洪暱搴︺�?/p>
锛?/p>
3
锛夌洿绾匡細灏嗙嚎娈靛悜涓や釜鏂瑰悜鏃犻檺寤朵几灏卞舰鎴愪簡鐩寸嚎锛岀洿绾挎病鏈夌鐐广�傜洿绾挎棤娉曢噺鍑洪暱搴︺�?/p>
缁撹锛氱洿绾裤�佸皠绾裤�佺嚎娈典箣闂寸殑鍖哄埆
锛?/p>
鍚嶇О
鍥惧舰
琛ㄧず鏂规硶
绔偣
闀垮害
鐩寸嚎
l
B
A
鐩寸嚎
AB
(
鎴?/p>
BA
)
鐩?/p>
绾?/p>
l
鏃犵鐐?/p>
鏃犳硶搴﹂噺
灏勭嚎
M
O
灏勭嚎
OM
1
涓?/p>
鏃犳硶搴﹂噺
绾挎
l
B
A
绾挎
AB
(
鎴?/p>
BA
)
绾挎
l
2
涓?/p>
鍙害閲忛暱搴?/p>
鑱旂郴锛氬皠绾挎槸鐩寸嚎鐨勪竴閮ㄥ垎銆傜嚎娈垫槸灏勭嚎鐨勪竴閮ㄥ垎锛屼篃鏄洿绾跨殑涓�閮ㄥ垎銆?/p>
2
銆佺偣鍜岀洿绾跨殑浣嶇疆鍏崇郴鏈変袱绉嶏細
鈶犵偣鍦ㄧ洿绾夸笂锛屾垨鑰呰鐩寸嚎缁忚繃杩欎釜鐐广�?/p>
鈶＄偣鍦ㄧ洿绾垮锛屾垨鑰呰鐩寸嚎涓嶇粡杩囪繖涓偣銆?/p>
3
銆佺洿绾跨殑鎬ц川
锛?/p>
1
锛夌洿绾垮叕鐞嗭細缁忚繃涓や釜鐐规湁涓斿彧鏈変竴鏉＄洿绾裤�傜畝绉颁袱鐐圭‘瀹氫竴鏉＄洿绾裤�?/p>
锛?/p>
2
锛夎繃涓�鐐圭殑鐩寸嚎鏈夋棤鏁版潯銆?/p>
锛?/p>
3
锛夌洿绾挎槸鏄悜涓ゆ柟闈㈡棤闄愬欢浼哥殑锛屾棤绔偣锛屼笉鍙害閲忥紝涓嶈兘姣旇緝澶у皬銆?/p>
锛?/p>
4
锛夌洿绾夸笂鏈夋棤绌峰涓偣銆?/p>
锛?/p>
5
锛変袱鏉′笉鍚岀殑鐩寸嚎鑷冲鏈変竴涓叕鍏辩偣銆?/p>
4
銆佺嚎娈电殑姣旇緝
锛?/p>
1
锛夊彔鍚堟瘮杈冩硶锛堢敤鍦嗚鎴彇绾挎锛?/p>
锛?/p>
锛?/p>
2
锛夊害閲忔瘮杈冩硶锛堢敤鍒诲害灏哄害閲忥級
銆?/p>
5
銆佺嚎娈电殑鎬ц川
锛?/p>
1
锛夌嚎娈靛叕鐞嗭細涓ょ偣涔嬮棿鐨勬墍鏈夎繛绾夸腑锛岀嚎娈垫渶鐭�?/p>
锛?/p>
2
锛変袱鐐逛箣闂寸殑璺濈锛氫袱鐐逛箣闂寸嚎娈电殑闀垮害锛屽彨鍋氳繖涓ょ偣涔嬮棿鐨勮窛绂汇�?/p>
锛?/p>
3
锛夌嚎娈电殑涓偣鍒颁袱绔偣鐨勮窛绂荤浉绛夈�?/p>
锛?/p>
4
锛夌嚎娈电殑澶у皬鍏崇郴鍜屽畠浠殑闀垮害鐨勫ぇ灏忓叧绯绘槸涓�鑷寸殑銆?/p>
6
銆佺嚎娈电殑涓偣锛氬鏋滅嚎娈典笂鏈変竴鐐癸紝鎶婄嚎娈靛垎鎴愮浉绛夌殑涓ゆ潯绾挎锛岃繖涓偣鍙繖鏉＄嚎娈电殑涓偣銆?/p>
鑻?/p>
C
鏄嚎娈?/p>
AB
鐨勪腑鐐癸紝鍒欙細
AC=BC=
2
1
AB
鎴?/p>
AB=2AC=2BC
銆?/p>
浜屻�佽
1
銆佽鐨勬蹇碉細
锛?/p>
1
锛夎鍙互鐪嬫垚鏄敱涓ゆ潯鏈夊叡鍚岀鐐圭殑灏勭嚎缁勬垚鐨勫浘褰€�備袱鏉″皠绾垮彨瑙掔殑杈癸紝鍏卞悓鐨勭鐐瑰彨瑙掔殑椤剁偣銆?/p>
锛?/p>
2
锛夎杩樺彲浠ョ湅鎴愭槸涓�鏉″皠绾跨粫鐫�瀹冪殑绔偣鏃嬭浆鎵�鎴愮殑鍥惧舰銆?/p>
2
銆佽鐨勮〃绀烘柟娉曪細
瑙掔敤鈥溾垹鈥濈鍙疯〃绀猴紝瑙掔殑琛ㄧず鏂规硶鏈変互涓嬪洓绉嶏細
鈶犵敤鏁板瓧琛ㄧず鍗曠嫭鐨勮锛屽鈭?/p>
1
锛屸垹
2
锛屸垹
3
绛夈�?/p>
鈶＄敤灏忓啓鐨勫笇鑵婂瓧姣嶈〃绀哄崟鐙殑涓�涓锛屽鈭?/p>
伪
锛屸垹
尾
锛屸垹
纬
锛屸垹
胃
绛夈�?/p>
C
B
A