5的平方根是（）．-七年级数学

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• 36的平方根是______．-数学
• — I wonder how long you _____ in Beijing. — Just for the weekend, then I had to attend a conference
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• 4的平方根是[]A．±2B．2C．﹣2D．16-八年级数学
• 短文改错。 此题要求改正所给短文中的错误没。对标有题号的每一行做出判断； 如有错误(每行只有一个错误) ，则按下列情况改正： 此行多一个词；把多余的词用斜线(\) 划掉，在-高三英语
• 4的平方根是[]A．±2B．2C．﹣2D．16-八年级数学
• 短文改错。 此题要求改正所给短文中的错误，对标有题号的每一题做出判断： 如有错误（每行只有一个错误），则按下面情况改正：此行多一词：把多余的词用斜线（＼）划掉，在该行右边横-高三英语
• He works in Beijing but knows much about London, for he _____ there for a long time.[ ]A. livesB. li
• 短文改错。 此题要求改正所给短文中的错误。对标有题号的每一行做出判断： 如有错误（每行只有一个错误），则按下列情况改正： 该行多一个词：把多余的词用斜线（╲）划掉，在该行右-高三英语
• 327的平方根是（）A．3B．±3C．3D．±3-数学
• 下列说法中，不正确的是（）A．大小不同的两个图形不是全等形B．等腰三角形是轴对称图形C．负数有平方根D．能完全重合的两个图形是全等形-数学
• 正实数a的两个平方根的立方和是______．-数学
• —Hi, Michelle, I can't find my e-dictionary.— Sorry, I _____it. I guess I put it on the top she
• They ___ two free tickets to Canada, otherwise they'd never have been able to afford to go. [ ]
• I know a little bit about Italy as my wife and I _____ there several years ago. [ ]A. are going B. h
• 若x=2sin30°，则x的平方根为（）A．1B．±1C．±3D．3-数学
• All morning as she waited for the medical report from the doctor, her nervousness _____. [ ]A. has g
• 若a2=（﹣3）2，b3=（﹣3）3，则a﹣b的值为[]A．6B．0C．﹣6D．﹣6或0-七年级数学
• 计算：=（），=（）；=（）-八年级数学
• 已知x﹣1的平方根是±3，2x+y+7的立方根是2，求7﹣x﹣y的平方根-八年级数学
• 如果是数a的立方根，-是b的一个平方根，则a10×（-b）9等于[]A．2B．-2C．1D．1-八年级数学
• 下列式子正确的是[]A．B．C．=﹣1D．-八年级数学
• To our disappointment, the trip we had been looking forward to _____ in the pouring rain. [ ]A. star
• If you don't like the drink you _____ just leave it and try a different one. [ ]A. ordered B. a
• — Has your father returned from Africa yet?—Yes, but he _____ here for only three days before his co
• The little girl _____her heart out because she _____ her toy bear and believed she wasn't everg
• To her surprise, the life she had been looking forward to _____ to be unpleasant. [ ]A. prove B. bei
• 的算术平方根是[]A．2B．±2C．D．±-八年级数学
• 若x2=81a4b6，则x=______．-数学
• 计算：=（）。-八年级数学
• — Ouch! You hurt me! — I am sorry. But I _____any harm. I _____ to drive a rat out. [ ]A. didn'
• In 1492, Columbus ______ on one of the Bahama Islands, but the mistook is for an island off India. [
• —We could have asked Miss Keller for help. She is always kind-hearted. —Yes. A whole day ____. [ ]A.
• I had no idea when and where _____. [ ]A. it happened B. does it happen C. it had happened D. had it
• Rose said that seldom _____ to Yaxiya Department Store for shopping. [ ]A. went sheB. does she goC.
• I don't believe you've already finished reading the book - I _____ it to you this morning!
• 交通警察通常根据刹车后车轮滑过的距离估计车辆行驶的速度，所用的经验公式是v=16df，其中v表示车速（单位：千米/时，d表示刹车后车轮滑过的距离（单位：米），f表示摩擦因数，在-数学
• 若2m-1没有平方根，则m的取值范围是（）。-八年级数学
• 4的平方根是[]A.2B.-2C.±2D.±-九年级数学
• — Do you want a lift home? — It's very kind of you, but I haveto work late in the office. I ove
• —Ann is in hospital.— Oh, really? I _____ know. I _____ go and visit her. [ ]A. didn't; am goin
• 下列说法中，正确的是[]A．的立方根是B．﹣225的算术平方根是15C．零的算术平方根和立方根都是零D．因为﹣5的平方是25，所以25的平方根可表示为-八年级数学
• 是（）的平方根-八年级数学
• 如果x2的负的平方根是x，那么等于[]A．﹣xB．xC．±xD．以上都不对-八年级数学
• 81的平方根是______；64的立方根是______．-数学
• 如果(x-4)2=25，那么x的值是[]A.±1B.1C.±9D.9或-1-八年级数学
• — You look so young. Haven't you graduated from your university? — Yes. I_____in the English de
• 的平方根是（）．-八年级数学
• （1）已知2x+1的平方根为±5，求5x+4的立方根。（2）已知x+y的算术平方根是3，（x-y）2=9，求xy的值.。-八年级数学
• Only then _____ how much damage had been caused. [ ]A. she realizedB. she had realizedC. had she rea