浣犳槸涓嶆槸姣忔鐪嬪埌浠ｆ暟鏂圭▼灏卞ご鐤硷紵鏄庢槑鑰佸笀璁茬殑鏃跺€欏ソ鍍忔噦浜嗭紝涓€鍋氶灏卞崱澹筹紵鍒厡锛佷粖澶╁挶浠氨鐢ㄦ渶鎺ュ湴姘旂殑鏂瑰紡锛屾妸鍒濅腑鍒伴珮涓渶甯哥敤鐨勨€?strong>鈥嬪洜寮忓垎瑙ｆ硶鈥?/strong>鈥嬪拰鈥?strong>鈥嬮厤鏂规硶鈥?/strong>鈥嬫幇寮€浜嗘弶纰庝簡璁叉竻妤氥€傚噯澶囧ソ绾哥瑪锛岃窡鐫€鎴戜竴姝ユ鏉ワ紒

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杩欐嫑鐨勭簿楂撳氨鏄€?strong>鈥嬫妸鏂圭▼鎷嗘垚涓や釜鎷彿鐩镐箻鈥?/strong>鈥嬶紝鏍稿績鍙ｈ瘈锛?鐪嬬郴鏁帮紝鎵鹃厤瀵癸紝涔樼Н鐩稿姞瑕佸鍛?銆?/p>

1. 鍩虹鎿嶄綔锛氬崄瀛楃浉涔樻硶

鎷縳虏+5x+6=0鏉ヨ锛?br/> 鈶?鎷?涓?脳3
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鈥?strong>鈥嬪父瑙佺炕杞︾偣鈥?/strong>鈥嬶細

• 绗﹀彿鎼為敊锛氭瘮濡倄虏-5x+6瑕佹媶鎴?x-2)(x-3)
• 婕忔帀鐗规畩褰㈠紡锛氭瘮濡傚钩鏂瑰樊鍏紡x虏-9=(x+3)(x-3)

2. 杩涢樁鎶€宸э細鍒嗙粍鍒嗚В娉?/h4>

閬囧埌鍍?x虏+7x+3杩欑澶嶆潅绯绘暟鏃讹細
鈶?鎷嗕腑闂撮」锛?x虏+6x+x+3
鈶?鍒嗙粍锛?2x虏+6x)+(x+3)=2x(x+3)+1(x+3)
鈶?鎻愬彇鍏洜寮忥細(2x+1)(x+3)=0

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涓夈€侀厤鏂规硶鐨勫洓姝ョ鎿嶄綔

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鍥涖€佷袱绉嶆柟娉曠殑缁煎悎搴旂敤鍦烘櫙

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妗堜緥1锛歺虏-4x-12=0

鍥犲紡鍒嗚В娉曪細
鎷?12涓?6脳2锛岄獙璇?6+2=-4 鈫?(x-6)(x+2)=0

妗堜緥2锛?x虏+3x-5=0

閰嶆柟娉曟洿浼橈細
鈶?鎻愮郴鏁帮細x虏+1.5x=2.5
鈶?閰嶆柟锛歺虏+1.5x+0.5625=3.0625
鈶?寰楄В锛歺=(-3卤鈭?9)/4=1鎴?2.5

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浜斻€佷釜浜哄疄鎴樼粡楠屽垎浜?/h3>

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3. 鈥?strong>鈥嬪彛璇€璁板繂鈥?/strong>鈥嬶細"鎷嗕袱澶村噾涓棿"璁板洜寮忓垎瑙ｏ紝"鍗婂钩鏂硅ˉ缂哄彛"璁伴厤鏂规硶

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鍏€侀伩鍧戞寚鍗楋細杩欎簺閿欒鍗冧竾鍒姱锛?/h3>

缈荤炕浣滀笟鏈紝80%鐨勯敊璇兘鏄繖鍑犱釜锛?/p>

鉂?鍥犲紡鍒嗚В娌℃媶鍒板簳锛氭妸x虏-5x+6鍐欐垚(x-6)(x+1)杩樿寰楄嚜宸辨病閿?br/> 鉁?姝ｇ‘鎿嶄綔锛氫氦鍙夌浉涔橀獙璇?6脳1=-6鈮?锛屽簲璇ユ槸(x-2)(x-3)

鉂?閰嶆柟蹇樿骞宠　锛歺虏+6x=7鐩存帴鍐欐垚(x+3)虏=7
鉁?鐗㈣娉曞垯锛氬乏杈瑰姞浜?锛屽彸杈逛篃寰楀姞9锛?/p>

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涓冦€佸欢浼告€濊€冿細鏁板鎬濈淮鎵嶆槸鏍稿績

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