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1
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鏈夌悊鏁扮煡璇嗙偣鎬荤粨褰掔撼
涓�銆佹鏁板拰璐熸暟
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璐熸暟锛氭瘮
0
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姝ｆ暟锛氭瘮
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a
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a
琛ㄧず姝ｆ暟鏃讹紝
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2.
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8
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8
鈩冭〃绀轰负锛?/p>
-8
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浜屻�佹湁鐞嗘暟
1.
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0
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鈶舵鏁存暟锛?/p>
0
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鏁般�?/p>
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2
锛庢暟杞?/p>
锛?/p>
1
锛夋暟杞寸殑姒傚康锛氳瀹氫簡鍘熺偣锛屾鏂瑰悜锛屽崟浣嶉暱搴︾殑鐩寸嚎鍙仛鏁拌酱銆?/p>
娉ㄦ剰锛?/p>
飩?/p>
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飩?/p>
鍘熺偣銆佹鏂瑰悜銆佸崟浣嶉暱搴︽槸鏁拌酱鐨勪笁瑕佺礌锛屼笁鑰呯己涓�涓嶅彲锛?/p>
飩?/p>
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锛?/p>
2
锛夋暟杞翠笂鐨勭偣涓庢湁鐞嗘暟鐨勫叧绯?/p>
飩?/p>
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璐?/p>
鏈夌悊鏁板彲鐢ㄥ師鐐瑰乏杈圭殑鐐硅〃绀猴紝
0
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锛?/p>
3
锛夊埄鐢ㄦ暟杞磋〃绀轰袱鏁板ぇ灏?/p>
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0
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0
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飩?/p>
涓や釜璐熸暟姣旇緝锛岃窛绂诲師鐐硅繙鐨勬暟姣旇窛绂诲師鐐硅繎鐨勬暟灏忋�?/p>
锛?/p>
4
锛夋暟杞翠笂鐗规畩鐨勬渶澶э紙灏忥級鏁?/p>
飩?/p>
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0
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鏈�灏忕殑姝ｆ暣鏁版槸
1
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-1
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3
锛庣浉鍙嶆暟锛?/p>
(1)
鍙湁绗﹀彿涓嶅悓鐨勪袱涓暟鍙仛浜掍负鐩稿弽鏁帮紱
0
鐨勭浉鍙嶆暟鏄?/p>
0
锛?/p>
(2)
浜掍负鐩稿弽鏁扮殑涓ゆ暟鐨勫拰涓?/p>
0
锛?/p>
鍗筹細鑻?/p>
a
銆?/p>
b
浜掍负鐩稿弽鏁帮紝鍒?/p>
a+b=0
锛?/p>
3
锛夌浉鍙嶆暟鐨勬眰娉曪細
飩?/p>
姹備竴涓暟鐨勭浉鍙嶆暟锛屽彧瑕佸湪瀹冪殑鍓嶉潰娣讳笂璐熷彿鈥?/p>
-
鈥濆嵆鍙眰寰楋紙濡傦細
5
鐨勭浉鍙嶆暟鏄?/p>
-5
锛夛紱
飩?/p>
姹傚涓暟鐨勫拰鎴栧樊鐨勭浉鍙嶆暟鏄紝瑕佺敤鎷彿鎷捣鏉ュ啀娣烩�?/p>
-
鈥濓紝鐒跺悗鍖栫畝锛堝锛?/p>
5a+b
鐨勭浉鍙嶆暟鏄?/p>
-
锛?/p>
5a+b
锛夛紝鍖栫畝寰?/p>
-5a-b
锛夛紱
飩?/p>
姹傚墠闈㈠甫鈥?/p>
-
鈥濈殑鍗曚釜鏁帮紝涔熷簲鍏堢敤鎷彿鎷捣鏉ュ啀娣烩�?/p>
-
鈥濓紝鐒跺悗鍖栫畝
(
濡傦細
-5
鐨勭浉
鍙嶆暟鏄?/p>
-
锛?/p>
-5
锛夛紝鍖栫畝寰?/p>
5)
锛?/p>
4
锛夊閲嶇鍙风殑鍖栫畝