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路路路路路路<br />
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鏉庤杩欏皬瀛愶紝浠栧湪鍐欎功锛燂紒<br />
涓嶄細鏄唴娑佃嚜宸卞惂锛燂紒<br />
涓嶅锛屼粬涓婅鐜╂墜鏈恒��<br />
鍝︼紝浠栧勾绾х涓�锛岃嫳璇弧鍒嗭紝娌′簨浜嗐��<br />
鍛ㄧ惔鐞存劅瑙夎嚜宸辫嫳璇�佸笀鐨勫湴浣嶏紝绔熺劧涓濇瀵逛粬娌℃湁濞佽儊锛燂紒<br />
姝ｅ湪杩欐椂锛屽懆鐞寸惔鐪嬭鏉庤鍏虫帀浜嗛偅涓啛鎮夌殑鐮佸瓧杞欢锛屾墦寮�鏌愮豢姘撮槄璇汇��<br />
鑰屽悗鐐瑰紑浜嗕竴鏈功鐨勮鎯呴〉銆�<br />
涔﹀悕銆婇搮绗斾笌鐧借‖琛��<br />
閭ｈ繕鏄ス鍐欑殑锛屽唴瀹瑰姴鐖嗭紝濂硅嚜宸遍兘鐪嬩笉涓嬪幓銆�<br />
鍛ㄧ惔鐞存劅瑙夌珯涓嶄綇浜嗭紝鐪煎墠涓�闃靛ぉ鏃嬪湴杞紝闅愰殣鍙戦粦锛屽彂鍔ㄧ揣鎬ユ晳鎻淬��<br />
鈥滄潕琛嶏紝浣犳潵鍥炵瓟闂锛侊紒鈥�<br />
鏉庤鏀句笅鎵嬫満锛岃捣韬湅鍚戣嫳璇�佸笀銆�<br />
鍛ㄧ惔鐞翠笁涓ゆ璧颁笂璁插彴锛屽埛鍒峰埛鍐欎笅涓�閬撲护鍏ㄧ彮闇囨儕闇囨捈锛屽�掑惛鍑夋皵鐨勪綔鏂囬鐩�斺��<br />
鍋囧畾浣犳槸鏉庡崕锛岃繎鍑犲ぉ鏈堣�冩湁涓暟瀛﹂闅句綇浜嗕綘鍥藉鐨勬湅鍙媝eter锛岃浣犲府鍔╀粬瀹屾垚杩欎釜鍑芥暟<br />
let a锛宐锛宎nd c be real numbers such that<br />
12a-鈭�2020b+19c=190+鈭�20206-12c=1锛宨tfa2- 8b2+c2.瀹炴暟a銆乥銆乧婊¤冻12a鈭�2020b+19c=19a+鈭�2020b-12c=1锛屾眰a2-8b2+c2鐨勫��.<br />
瑕佹眰锛�100璇嶅乏鍙筹紝寮�澶寸粨灏惧凡涓轰綘鍐欏ソ锛屼笉璁″叆鎬昏瘝鏁�<br />
dear peter<br />
_____________<br />
look forward to your early reply.<br />
鐪嬬潃涓婇潰鐨勬暟瀛�..鍝︿笉锛岃嫳璇綔鏂囬锛屼笉浠呮潕琛嶉棶鍙凤紝鍏ㄧ彮浜鸿剳琚嬮噷閮界垎鍑洪棶鍙枫��<br />
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鈥滅湅涓嶆噦锛岀湡鐨勭湅涓嶆噦锛佲�濆紶浼熸憞鐫�澶达紝鐪肩潧閲岄潰浠夸經鏈夎殜棣欏湪杞湀鍦堛��<br />
鈥滈珮鑰冭嫳璇鏄繖鏍凤紝鎴戣繕鏄洖瀹剁户鎵挎垜鐖风埛閭ｄ袱浜╁湴鍚с�傗��<br />
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鎰熻鍒彁浜嗭紒<br />
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