qiu ji dao shu xue ti da an分解因式 （x+y)²+6（x+y）+9 a²-2a(b+c)+9（b+c)² 4-12（x-y）+9(X-y)² （m+n）²+4m(m+n)+4m² 2xy-x²-y² 4xy²-4x²y-y³求你们了

378fen shang ji shu xue xiao? QIU:2010 GUI ZHOU GAO KAO SHU XUE TI MU. qiu ji dao shu xue ti da an分解因式 （x+y)²+6（x+y）+9 a²-2a(b+c)+9（b+c)² 4-12（x-y）+9(X-y)² （m+n）²+4m(m+n)+4m² 2xy-x²-y² 4xy²-4x²y-y³求你们了 shan nian ji ao li pi ke shu xue ti shu xue a shu xue wo xiang zhi dao zen me cai neng xue hao ji suan ji shu ru fa zhao bu dao le .qiu ni men bang wo zen me bei kao you ji hua xue ?ben ren xiang kao xu shou chang ban de you ji hua xue ,xi wang zhi dao kan na ben can kao shu bi jiao ming zhi,quan wei,qing ci jiao .dian nao zhong du l ,, shu kong ji shu dalian dao qingdao de chuan xing qi ji you?duo shao qian?ji dian?wo shi zai ri ben de liou xue sheng,zhong guo jia zai da lian,shu jia xiang zuo chuan hui guo.qing da jia bang bang mang! yi dao pu tong shu xue tia-b=10 ab=7 求a=?b=? yi dao shu xue tizi da bu chu laibu hao yi si ti mu :deng yao san jiao xing ding jiao wei 150 du ,yao chang wei 6 cmze gai deng yao san jiao xing de mian ji deng yu duo shao yao guo cheng ,xie xie 图形题.shu xue qiu zhu a wo dian nao yi qie huan dao zhong wen shu ru fa da zi ,cheng xu jiu hui xian shi cuo wu yi dao shu xue ti8个小朋友在“学雷锋活动”中一共做了24件好事,（ （补上问题三个,使这道题目成为三道应用题,） SOS!Zai xian ji qiu dian nao wen ti!wo bi ji ben dian nao zai yi ci chong xin qi dong hou ,ping mu shang shen me tu biao dou mei you le ji qiu gao shou jie jue!chong qi bu guan yong ,shu biao zuo you jian dou mei fan ying .shu ru fa dou yong bu liao (x^2+3x+18)/(x+14) qiu:Q(x) zhe ge deng shi de shang,yi ji R(x) zhe ge deng shi de yu shu x-y=98 xy=200 x/y=50 x=?y=?liu xia shu xue ji suan