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小学六年级诗海拾贝那些古诗和现代诗的起源,特点 ,表现手法,分类和写法 化简a-b/√a+√b,甲乙两同学的解法如下,判断对错甲：(a-b)/(√a+√b)=（a-b)(√a-√b)/(√a+√b)(√a-√b)=√a-√b乙：（a-b)/(√a+√b）=(√a+√b)(√a-√b）/（√a+√b）=√a-√b 对于两同学的解法,你认 初二数学已知三角形的三条边是a ,b ,c,而且满足a² c²- b² c² =a² a² -b&su初二数学已知三角形的三条边是a ,b ,c,而且满足a² c²- b² c² =a² a² -b²b²,判 what did tom do on saturday evening的中文 汽车超市计划5月份销售轿车60辆,上半月完成36辆,上半月完成计划几分之几 求几道英语单选题答案35-38 单选题 35.Directors Mrs B.Fox,Captain W.L.Hunter,RV.Sharpe The headmaster,Chickfield School,Dear Headmaster,Thank you for your telephone message.We shall be happy to welcome your pupils to the Gardens and Park.T 广达汽车计划5月份售轿车60辆,上半月完成36辆,上半月完成全月计划的几分之几结果化成最简分数） 求几道英语单选题的答案1 The heavy snowstorm in early September 2007 reached as much as 1.5 meters in some places,_______hundreds of flight delays.A.having caused B.caused2 Which share is intended_____me?you can take ____half.They are exact 1.An earthquake ______ 5.6 on the Richter scale hit Mianzhu City ,in southwest Chian's Sichuan Province at 2:03 am June 30,2009.measured ,我选 measuring 怎么就错了?2._______ ,he shows no sympathy for the poor .A .Wealthy as he is B.Weathy alth 2道简单英语单选题,请高手说明理由11.— You keep on coughing.What’s the matter?— Oh,I’ve got a cold.Nothing serious,____.A.yet B.indeed C.though D.anyway 12、—Excuse me,officer.I can’t find the subway entrance.____—See thos 春联起源 春联的来历是什么?要“简单明了”一点,不要超过5行. 春联的来历由来急需 春联的由来简介要短,急.100-150字之间 春联来历 几道英语单选题 要详解1.The paperwork is necessary to （ ） will buy a house,so please get prepared in advance.A.whomever B.whoever 2.—— How could Jane make such a mistake —— Although she is a careful girl,she _____ be very forgetf 求详解几道英语单选题 谢谢我手头有正确答案重要的是 请帮忙的朋友附上解释 感激不尽!1.several had passed___the puzzled travelers came to understand what was going on.A. after B. when C. before D. until2. ___is alway 我会一点画画 的英文 一道英语单选题 帮忙选答案解释原因You alaways talk about your pet dog,What's it like?A.It likes meat.B.Three years old.C.It is small and white.D.It likes playing with me. 根据上裱中的数据,试比较2x+1与x²+2的大小,并运用你学过的证实只是证明你的结论如题.表:x -1 1 根号2+1 2x+1 -1 3 2根号2+2 x 比较3x²-2x-1与2x²-2x-5的大小 在Rt三角形ABC中,角C=90度,角A,角B,角C的对边分别是a,b,c,则下列式一定成立的．在RT△ABC中,∠C=90°,∠A、∠B、∠C的对边分别为a、b、c,则下列式子一定成立的是（　　C）A．a=c•sinB B．a=c• 三年级数学大汽车载重5吨,小汽车载重2吨,提一个除法问题怎么解决 请帮我解答生活常识问题吧.1、工笔是哪种绘画形式的技法 a.水彩画 b.油画 c.水粉画 d.国画16、2、“冰激凌”是从哪国传进的外来语 a.英国 b.法国 c.美国 d.俄国17、3、“席梦思”三个字源于 有趣又是生活小常识的问题 物质都会散发红外线吗? 所有物体都会发出紫外线,红外线?如果不是,有哪些物体可以? 如何用完全平方公式计算 2006²-4014×2006+2007²= （2006-2007）²是怎么来的？ 2007x2009-2008²用完全平方公式解答 为什么说一切物体都在不停地发射红外线?寒冷的地方会么?急 请帮忙解答一道英语单选题.1.Why didn't you come to the party yesterday I__,but an unexpected visitors came to see me A.did B.would C.had D.was 紫外灭蚊灯放那里最好 ?