2.2
涓�鍏冧簩娆℃柟绋嬬殑瑙ｆ硶
2.2.1
閰嶆柟娉?/p>
绗?/p>
3
璇炬椂
鐢ㄩ厤鏂规硶瑙ｄ簩娆￠」绯绘暟涓嶄负
1
鐨勪竴鍏冧簩娆℃柟绋?/p>
銆愬涔犵洰鏍囥�?/p>
1
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2
銆佽兘鍔涘煿鍏伙細杩涗竴姝ヤ綋浼氳浆鍖栫殑鏁板鎬濇兂鏂规硶鏉ヨВ
鍐冲疄闄呴棶棰樸�?/p>
3
銆佹儏鎰熶笌鎬佸害锛氬煿鍏昏瀵熻兘鍔涳紝杩愮敤
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銆愬涔犺繃绋嬨�?/p>
涓�銆佸墠缃噯澶囷細
1
銆佷笂鑺傝鎴戜滑瀛﹁繃鐨勮В涓�鍏冧簩娆℃柟绋嬬殑鍩烘湰鎬濊矾鏄?/p>
浠�涔堬紵鍏跺叧閿槸浠�涔堬紵
浜屻�佽嚜瀛︽帰绌讹細
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绉嶆柟娉曘�?/p>
1
銆佽В涓嬪垪鏂圭▼锛?/p>
锛?/p>
1
锛?/p>
锛?/p>
2-x
锛?/p>
2
=3
锛?/p>
2
锛?/p>
锛?/p>
x-
2
锛?/p>
2
=64
锛?/p>
3
锛?/p>
2
锛?/p>
x+1
锛?/p>
2
=
2
9
2
銆佺敤閰嶆柟娉曡В鏂圭▼锛?/p>
锛?/p>
1
锛?/p>
x
2
-6x-40=0
锛?/p>
2
锛?/p>
x
2
-6x+7=0
锛?/p>
3
锛?/p>
x
2
+4x+3=0
锛?/p>
4
锛?/p>
x
2
-8
x+9=0
锛?/p>
5
锛?/p>
x
2
-
3
7
x=2
涓夈�佸悎浣滀氦娴侊細
1
銆佸綋
x
鍙栦綍鍊兼椂锛屼唬鏁板紡
10-6x+x
2
鏈夋渶灏忓�硷紝鏄嚑锛?/p>
2
銆侀厤鏂规硶璇佹槑
y
2
-12y+42
鐨勫�兼亽澶т簬
0
銆?/p>
鍥涖�佸綊绾虫�荤粨锛?/p>
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