已知一个正数的平方根是3x﹣2和5x+6，则这个数是_________-八年级数学

更多内容推荐

• I was out of town at thetime, so I don't know exactly how it ____.[ ]A. was happeningB. happene
• TheotherdayI________aninterestingfilmwithmyfriends.[ ]A.saw B.hadseen C.see D.amseeing -高三英语
• 36的平方根是______，倒数是______．-数学
• It being Sunday, I ______ up early this morning, so I stayed in bed until 9 am. [ ]A. didn't ne
• Littlethat the course of his life was about to change then. [ ]A. he is knownB. did he knowC. does h
• 5的平方根是______．-数学
• 短文改错。假如英语课上老师要求同学们交换修改作文，请你修改你同桌写的以下作文。文中共有10 处语言错误，要求你在错误的地方增加、删除或修改某个单词。增加：在缺词处加一-高三英语
• 的平方根是[]A、B、C、3D、-3-八年级数学
• 0.0016的平方根是（）A．0.4B．0.04C．±0.4D．±0.04-数学
• 81的平方根是______；近似数15520保留两个有效数字为______，时，精确到______位．-数学
• Only when I left my hometown ________ how precious it is to me. [ ]A. did I realizeB. I realizedC. h
• — Wouldyouhavehelpedher,haditbeenpossible?— Yes,butI__________busywithmywork. [ ]A.wasB.hadbeenC.hav
• Not until I began to work ________ how much time I had wasted. [ ]A. did I realizeB. didn't I r
• The old woman spoke to the girl again, raising her voice a bit, but still _____ no answer. [ ]A. rec
• 单词拼写。 请认真阅读下列各句，并根据各题所给的首字母或中文提示，在横线上，写出一个英语单词的完整、正确的形式，使句子通顺。 1. The driver I ____the danger sign -
• 单词拼写。1. At last he __________(辞职) from his post and went back to Changsha.2. The experiment he______
• If it had been fine yesterday, we could have watched that air show. But it_____ all day. [ ]A. has r
• Miss Li_____ as a secretary for five years in the company, and now she is general manager of it.[ ]A
• 1.44的平方根是______．-数学
• 若x2=64，则x=______．-数学
• 16的平方根是______，8的立方根是______，4=______．-数学
• 短文改错。 下面文中共有10处语言错误，要求你在错误的地方增加、删除或修改某个单词。 增加：在缺词处加一个漏字符号（∧），并在该句下面写出该加的词。 删除：把多余的词用斜线-高三英语
• —Have you got the news about Jack? I haven't seen him for many years.— He _____ in a company fo
• 用所给词的适当形式填空1. To my despair, the doctor _____me_____ in the room for the whole afternoon. (have; wai
• No sooner had he arrived than he _____to complain about the terrible weather. [ ]A. began B. would b
• Bob would have come to the airport to see us off, but he _____. [ ]A. is will B. had been ill C. was
• 如果x4=1681，那么x=______．-数学
• 下列说法：①0.027的立方根是0.3；②3a不可能是负数；③如果a是b的立方根，那么ab≥0；④一个数的平方根与其立方根相同，则这个数一定是1．其中正确的是______．-数学
• 计算：16=______；±9=______．-数学
• 2=______2．-数学
• The water ______ cool when I joined into the pool for morning exercise. [ ]A. was feltB. is feltC. f
• Scientists have many theories about how theuniverse____ into being.[ ]A. came B. was comingC. had co
• — You must be surprised andexcited to see the film star here.— You're right. _____.[ ]A. I don&
• On AIDS Day, the minister of Health Department demanded that the problems _____paid special attentio
• — Oh, I'm really fed up with Jim. He's always causing me trouble.— I _____you to keep away
• 25的平方根是______．-数学
• 下列选项中正确的是（）A．27的立方根是±3B．16的平方根是±4C．9的算术平方根是3D．立方根等于平方根的数是1-数学
• 若4x2=9，则x=______．-数学
• 求x值：4x2=25．-数学
• The scientist told the reporter that only after he went abroad ______ what his motherland meant to h
• When he was in trouble, I offered to lend him a hand, but he ________. [ ]A. has refused B. would ha
• I wonder how she _____like that to her parents. [ ]A. dare to speak B. dare speaking C. dared speak
• Mr. Leslie, who _____ in Taiyuan for three years in the 1980's, is now a well-know lawyer in Lo
• 短文改错。 假如英语课上老师要求同桌之间交换修改作文，请你修改你同桌的以下作文。文中共有10 处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加，删除或修改-高三英语
• — Hi, Julie, it's great to see you again. I hear you've traveled a lot recently. — Yeah, b
• （______）2=64．-数学
• 81的平方根是______．-数学
• Mr. Smith would have come to see you if it had been possible, but he _______ so busy.[ ]A. was B. ha
• 81的平方根是______；16的算术平方根是______．-数学
• 单词拼写。1. The proposal _____ (支持) by a large majority of the teachers was accepted. 2. We were shocked