假如你是李华,兴华中学的一名高三学生

设甲班有X人,则乙班有X-2人甲班平均每人捐款数为300/X元乙班平均每人捐款数是232/(X-2)元232/(X-2)=(4/5)(300/X)232/(X-2)=240/X240(X-2)=232

没见上图,试错勿笑!显然a>2b方式一：十字小路植草面积：a²-a*2b*2+(2b)²=(a-2b)²方式二：方环林带植草面积：(a-2b)²PS：显然,不同

RecentlyImadeasurveyofsenior3studentsonphysicaltraining.Only35%ofthesurveyedstudentsdosports.Therear

HiJack,IamreallysurpersetolearnthatAmericanschoolsweresofree,studentscanwearanything.Inourcountry,sc

DearShirley:Howareyou?Ihopeyouaredoinggood!Iheardfromyouthatyouwishtojointhedrawingcompetition.Remem

MynameisLeeHua.IamaseniorstudentfromXingHuaseniorhighschool.

ADumbbutStrongandSunnyGirlIhaveaneighbourwhoisgirlnamedMary.Sheisdumb,butsheisstrongandsunny.Everyti

DearLintao,I'msosorrytohearedthatyouhavesometroubleinlearningenglish.Youhaveaskedmeformyadvicewithre

heiio,tom.iamlihua.howareyou?lhavemanygoodmovie.iwanttoyousee.jicketchenisagoodactorinchina.hishasma

额再答：伯牙心里想到清风，钟子期赞叹道：“这琴声好像凉爽的清风一样吹在我的心上。”伯牙心里想道明月，钟子期赞叹道：“这琴声好像明亮的月光一样照耀在我的心上。”再答：伯牙心里想到清风，钟子期赞叹道：“这

Itwassaidthattwothousandyearsago,Yanmausoleumwherelifeisayoung,callhimShouLingyoung!TheShouLingboysd

由题Pn坐标x=-An+Bn=-(2n-12)+(0.5n-1)=-1.5n+11y=An+Bn=2n-12+0.5n-1=2.5n-13则n=-2(x-11)/3=2(y+13)/5那么y=-5(x

首先,你打字打错了,应为：changedDuringourholidays,learningandleisurearestillveryimportant.Whenholidayiscoming,ou

Asthenetworkofthemostdeveloped,由于太长了,写不进去,已经给你单发了,记得给分.

妈妈,那个,我们老师叫我们跟家长学做一样菜?你看.做菜也是次锻炼嘛,最近可是报道说大学生还不晓得淘菜哦~再说我学会了以后也可以做给你吃嘛!

Dear:…FirstIwouldliketoapologiseforalltheinconveniencewhichIhavecausedfornotturninguptotheMathsandPo

对!根据香港考评局公告,2010年1月sat考点只有两个除了方润华外还有是湾仔评核中心,除非你认为去天水围比较适合你,但这个新界地方,交通住宿应该没湾仔方便.湾仔的非常近地铁,我认为这个比较好.NO；

DearWangFei,Iamgladtohearfromyou!YoutoldmeaboutyourtroubleinlearningEnglishwordsinyourletter.Hereare

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内容在上面请看着摘抄