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绯荤??????ヨ?缁???锛???杩?uu椹跨???涓?涓?璁茶В锛???浠??甯??╀???寤轰?涓?郴缁??????ヨ?缁???锛?璁╀?瀵规?涓?涓??绉????ヨ??规??涓?涓??ㄩ?㈢??浜?瑙ｏ?骞惰?藉?杩????惧?扮?ヨ?涔??寸????绯汇??
楂?????瀛︿??规?锛???浠????浣?濡?浣?楂????拌?琛?瀛︿?锛??????堕?寸?????璁板???宸с??澶?涔??规?绛?锛?纭??浣??ㄥ?涔?涓??藉???澶у???板???ユ??????
瀹?璺典?搴??????杩?澶ч????缁?涔?棰???瀹???搴??????浠??甯??╀?灏???瀛︾?ヨ?浠?璇稿?璺碉???楂?瑙ｉ??藉????瀹???杩??ㄧ?ヨ????藉????
蹇???璋???涓?婵??憋???浠??浼??虫敞浣???蹇????舵??锛???杩???褰???婵??卞??蹇???璋???锛?璁╀??ㄦ????瀛︿?涓????绉???????搴﹀????娌????ㄥ????
??杩?杩?浜?????锛???浠????姣?涓?涓???????浠???瀛︿?璁″??????瀛︼??借?藉?ㄦ??????????????????锛?瑙ｉ????繁??瓒??藉??锛?涓?浠??ㄥ??????寰?绐??达??村?ㄥ???涓??峰????裤??
?ㄦ?板?瀛︿?涓??寮?濠??瑰己璋???瑙ｉ??????稿????冲??瑙ｉ????昏?杩?绋???濂圭??浣?涓?绛?妗?涓??璇︾?灞?绀轰???绫婚???????ヨВ棰???璺??浠??虹?棰??伴??惧害棰?锛??芥??璇︾???瑙ｉ?瑙ｃ??瀛︾????互??杩???璇昏?浜?绛?妗?锛?浜?瑙ｆ?板??????瑙ｉ??规?锛?骞跺?涔?濡?浣???寤鸿В棰???璺???渚?濡?锛??ㄨВ?冲??浣?????讹?寮?濠??逛???纭????????抽???′欢锛??跺???╃?ㄥ??浣?瀹???杩?琛??ㄧ??锛?????寰??烘?纭??璁恒??
杩?绉??规?涓?浠????ㄤ???浣?棰?锛?杩???互搴??ㄤ??朵??板?棰?????
$$12x-3y+2x+3y=15+6\14x=21\x=\frac{21}{14}=\frac{3}{2}$$
浠ｅ??x=\frac{3}{2}$?扮?浜?涓??圭?涓??
$$4\cdot\frac{3}{2}-y=5\6-y=5\y=1$$
??姝わ??圭?缁???瑙ｄ负$(x,y)=(\frac{3}{2},1)$??
涓轰?璁╀??村ソ?颁?瑙ｅ?濠??圭????瀵兼????锛???浠??瑰???寸??浜?涓?浜?瀛︾????????妗?渚???灏???锛???涓??骞寸骇瀛︾??锛???涓哄?涔?????澶э??ㄦ????浣?涓?涓?父甯糕???????????ㄥ?濠??圭????瀵间?锛?灏???涓?浠?????瀹???浜?????浣?涓?锛?杩??ㄦ??????璇?涓???寰?浜??ㄧ???涓?????缁┿??
灏?绾??楂?涓??骞寸骇瀛︾??锛??板???缁╀??翠???????炽???ㄥ????浜?寮?濠??圭??????瓒??藉??璇剧???锛?濂圭???板???缁╀?骞冲钩???充?绉?锛?涓?浠?瀛︿???????楂?浜?锛???俊蹇?涔???涔?澧?寮恒??
杩?浜?????妗?渚?璇???浜?寮?濠??圭????瀵兼?规???????浣?涓?绛?妗???瀹????э?璁╂??浠??村????淇″??伴?㈠?????瀛︿?浠诲?°??
