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观察下列一组等式：……观察下列一组等式：（a+1）（a²-a+1）=a³+1（a+2）（a²-2a+4）=a³+8（a+3）（a²-3a+9）=a²+27从以上等式中,你有和发现?利用你的发现规律,在下面括号中 of all the students in the class,Jack spent___time and made____mistakes in the math's exam.为什么第一个空用least ,第二个空用fewest而不用least呢,few的最高级不也是least吗 Jack spent a lot of time practising sewing 同义句转换_____ ______jack a lot of time ____ _____sewing A number of books ____kepts in the reading-room and ___of the students'time___spent there.A.are,threee-fourth,is B.is,three-fourths,areC.are,three-fourths,is D.is,three-dourth,is 1.Jack was always()lots of time and money in doing the shopping A.spent B,spending c.spend D,to spend 2.______that beautiful!A,isn't B,Doen't C aren't D,Don't 动词后如何加ing 观察下面各数,写出后面的三个数?①-1,2,-4,8,-16＿＿＿＿＿②1,2,3,5,8,13＿＿＿＿＿③1,-3,5,-7,9＿＿＿＿＿④-1,1/3,1/5,-1/7,1/9,1/11,-1/13＿＿＿＿＿ 观察下列各式1×3=3=2的平方-13×5=15=4的平方-15×7=35=6的平方-1…………………………13×15=195=14的平方-1将你猜想到的规律用只含有一个字母m(m大于或等于1,m是整数)的等式表示出来 33-It is recommended that the project _____ until all the preparations have been made.-A.-is not started -B.-will not be started -C.-not be started -D.-is not to be started __________ have known the results of the exam.A.It seemed to B.It seemed to him to C.He seemed that he D.He seemed to 求详解 番禺英语课外辅导哪里好? 小学四年级的英语应该怎么做课外辅导? 番禺英语课外辅导?哪里好? Do the results of the research have any practical application?请翻译 在线测厚仪测量原理有哪些? 激光测厚仪ZTMS08的测量原理? 在线薄膜测厚仪的测量原理是什么?精度可以多少? 非接触式测厚仪原理?测厚仪 激光测厚仪传感器原理和传统激光测厚仪传感器有什么不同吗? 写关于 合肥科技馆 英语作文 求一篇有关合肥最近变化的英语作文内容：合肥最近变化.一百字左右,附带翻译 聪明的XX500字作文14：30以前 XX真聪明 作文写人的 It should be obvious to everyone _____ we need to make some changes.分析一下句子结构,缺什么? 求一篇第一段介绍合肥方位即气候第二段介绍合肥景点第三段介绍合肥美食的英语作文 We need some ______(colour) pencils to make a picture 华罗庚的"华”字怎么读? The results do we have? 陋室铭的作者追寻怎样生活情趣 《陋室铭》、《鱼我所欲也》两文分别表明了作者的生活情趣和人生态度,你是怎样看待这种情趣和态度的? 陋室铭的作者的这种生活情趣在今天有什么意义作者为什么有这样的高尚情操 陋室铭是怎样描写陋室的?作者突出了陋室的什么特点?反映了他怎样的人生态度和生活情趣?