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绫婚」銆佹妸鏈煡鏁扮殑绯绘暟鍖栦负
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銆傚湪瑙ｉ鏃讹紝搴旀牴鎹疄闄呮儏鍐碉紝鍏蜂綋鍒嗘瀽銆佸悎鐞嗚繍
鐢ㄨ繖浜涙楠わ紝
浠ヤ娇杩愮畻鏇翠负绠�鍗曟壖瑕併�?/p>
浣嗗湪鍏蜂綋瀹炴柦杩囩▼涓紝
鏈変簺鍦版柟鍙堥潪甯稿
鏄撳嚭閿欙紝鍒囦笉鍙夯鐥瑰ぇ鎰忋�傜幇涓句緥璇存槑濡備笅锛屼互鏈熷鍚屽浠В鏂圭▼鏈夋墍甯姪銆?/p>
1.
鍘诲垎姣嶆椂鏌愰」婕忎箻瀵艰嚧閿欒銆?/p>
鍘诲垎姣嶆椂娉ㄦ剰鏂圭▼涓ょ鍚屾椂涔樹互鍒嗘瘝鐨勬渶灏?/p>
鍏�嶆暟锛屼笉鍙嚭鐜版紡椤广�?/p>
渚?/p>
1.
瑙ｆ柟绋嬶細
锛?/p>
=1
璇細鍘诲垎姣嶏紝寰楋細
2
锛?/p>
5x+1
锛夛紞锛?/p>
2x
锛?/p>
1
锛?/p>
=1
鍘绘嫭鍙凤紝寰楋細
10x+2
锛?/p>
2x+1=1
鍚堝苟锛屽緱锛?/p>
8x=
锛?/p>
2
绯绘暟鍖栦负
1
锛屽緱锛?/p>
x=
锛?/p>
鏋愶細鏈閿欒鐨勫師鍥犲氨鍦ㄤ簬锛屽鏂圭▼涓よ竟閮戒箻浠?/p>
6
鍘诲垎姣嶆椂锛岀瓑鍙峰彸杈圭殑
1
娌℃湁涔樹互
6
锛屼粠鑰岄�犳垚閿欒鐨勫彂鐢熴�傞伩鍏嶅嚭鐜拌繖绉嶉敊璇殑鏂规硶灏辨槸鍦ㄥ幓鍒嗘瘝鏃讹紝
鏃跺埢鐗㈣鏂圭▼涓よ竟閮藉悓鏃朵箻浠ュ悇鍒嗘瘝鐨勬渶灏忓叕鍊嶆暟锛?/p>
鍗虫渶绠�鍏垎姣嶏紝
涓嶈兘鍑虹幇婕?/p>
涔樼殑鎯呭喌銆?/p>
姝ｏ細鏂圭▼涓よ竟閮戒箻浠?/p>
6
锛屽緱锛?/p>
2
锛?/p>
5x+1
锛夛紞锛?/p>
2x
锛?/p>
1
锛?/p>
=6
鍘绘嫭鍙凤紝寰楋細
10x+2
锛?/p>
2x+1=6
鍚堝苟锛屽緱锛?/p>
8x=3
绯绘暟鍖栦负
1
锛屽緱锛?/p>
x=
缁?/p>
涔?/p>
1
锛?/p>
瑙?/p>
鏂?/p>
绋?/p>
锛?/p>
1=
锛?/p>
鎻?/p>
绀?/p>
锛?/p>
x=
鍘诲垎姣嶆椂锛?/p>
鈥?/p>
1
鈥?/p>
涓嶈婕忎箻鍒嗘瘝鐨勬渶灏忓叕鍊嶆暟
鈥?/p>
12
鈥?/p>
锛?/p>
2.
鍘绘嫭鍙锋椂娌℃湁鍙樺彿瀵艰嚧閿欒銆傚幓鎷彿鏃惰娉ㄦ剰鎷彿鍓嶉潰鐨勭鍙凤紝濡傛灉鎷彿
鍓嶉潰鏄�滐紞鈥?/p>
锛堣礋鍙凤級
锛屾嫭鍙烽噷闈㈢殑鍚勯」閮借鍙樺彿銆?/p>
渚?/p>
2.
瑙ｆ柟绋嬶細
1+2x = 4
锛嶏紙
x+4
锛?/p>
璇細鍘绘嫭鍙凤紝寰楋細
1+2x= 4
锛?/p>
x+4
绉婚」锛屽緱锛?/p>
2x+x=4+4
锛?/p>
1
鍚堝苟鍚岀被椤癸紝
寰楋細
3x=7
绯绘暟鍖栦负
1
锛屽緱锛?/p>
x=
鏋愶細
鏈鐨勯敊璇師鍥犳槸杩愮畻涓嶇啛锛?/p>
鍦ㄥ幓鎷彿鏃舵嫭鍙烽噷闈㈢殑
4
娌℃湁鍙樺彿锛?/p>
浠庤�?/p>
鍑虹幇閿欒銆傚湪鍘绘嫭鍙锋椂锛屽鏋滄嫭鍙峰墠闈㈡槸姝ｅ彿锛岀洿鎺ユ妸鎷彿鍘绘帀锛屾嫭鍙烽噷闈㈢殑鍚?/p>
椤归兘涓嶅彉鍙凤紱
濡傛灉鎷彿鍓嶉潰鏄礋鍙凤紝
鍦ㄥ幓鎷彿鏃讹紝
鎷彿閲岄潰鐨勬瘡涓�椤归兘瑕佹敼鍙樼
鍙枫�?/p>
姝ｏ細鍘绘嫭鍙凤紝寰楋細
1+2x= 4
锛?/p>
x
锛?/p>
4