若x2=16，则x的值为（）A．4B．±4C．2D．±2-数学

更多内容推荐

• 1的平方根是______．-数学
• ______的平方根是0，______的平方根是±8．-数学
• 9的平方根是（）。-八年级数学
• 已知2a-1的平方根为±33a+b-1的平方根为，求a+2b的平方根-八年级数学
• 下列说法正确的是（）A．0.25是0.5的一个平方根B．负数有一个平方根C．72的平方根是7D．正数有两个平方根，且这两个平方根之和等于0-数学
• 已知2a-1的平方根是±3，4是3a+b-1的算术平方根，求a+2b的值。-八年级数学
• 如果x2=6，那么x叫做6的______，记作______．-数学
• —That's a great sweater. I have never seen anything like it before.—You think so? My grandmothe
• _____with traditional Chinese art made Mr, Seville _____ to come to China for study. [ ]A. Being obs
• 短文改错。 In the past, man don't have to think about the protectionof the environment. There were m
• Ever since the financial crisis _____, many workers _____ from their jobs. [ ]A. broke out; were lai
• 计算：求16的平方根______．-数学
• 一个数的平方根是它本身，这个数是（）A．0B．0和1C．±1D．±1和0-数学
• 如果一个实数的平方根与它的立方根相等，则这个数是（）A．0B．正实数C．0和1D．1-数学
• 5的平方根是______，算术平方根是______．-数学
• Mom used only half of the money, the rest of which ______ saved for other purposes. [ ]A. is B. are
• — How long have you _____?— It's about ten years since we _____.[ ]A. married, married B. been
• Cars moved very slowly in the 1920s, but they ______ move more quickly than in 1910. [ ]A. were to B
• 5表示______，±5表示______．-数学
• 64的平方根是______，立方根是______．-数学
• The company had about 20 notebook computers but only one-third _____used regularly. Now we have 60 w
• 一个数的平方根与这个数的算术平方根相等，这个数是[]A.1B.-1C.0D.1或0-八年级数学
• 9的算术平方根是______，4的平方根是______，364立方根是______．-数学
• 正数的平方根有______个，它们互为______，零的平方根为______，负数______．-数学
• He ______ the job well, but he ______ so careless. [ ]A. hadn't done ; had beenB. could have do
• 64的平方根是______，64的算术平方根是______，64的立方根是______．-数学
• 如果a的平方根等于±2，那么a=______．-数学
• 81的平方根是______；若x2=64，则x的立方根为______．-数学
• Two years has passed since I _____ you the first time. [ ]A. meet B. have met C. met D. had met -高三英
• 如果a（a＞0）的平方根是±m，那么（）A．a2=±mB．a=±m2C．a=±mD．±a=±m-数学
• 的平方根是（），64的立方根是（）。-八年级数学
• 4的平方根是[]A．2B．16C．±2D．±16-九年级数学
• — You could have walked here. — Yes. A taxi ______ necessary.[ ]A. is B. was C. isn'tD. wasn�
• Such a problem still exists because no adequate measures for preventing it _____ taken in the past.
• 完形填空。 I can never forget her-the little girl with a1so strong and powerful. We could hear her halfwa
• 下列说法中，错误的是（）A．3是3的平方根B．3是3的算术平方根C．33是3的立方根D．3的平方根是3-数学
• I don't understand how you got a ticket. I always _____ you _____ a careful driver. [ ]A. think
• — Have you finished your composition already?— Yes. I _____ it in twenty minutes. [ ]A. am finishing
• 已知：2m+2的平方根是±4，3m+n+1的平方根是±5，求m+2n的算术平方根．-数学
• 364的平方根是（）A．2B．±2C．8D．±8-数学
• 4x2=36．-数学
• 若a的平方根是±5，则a=______．-数学
• 下列说法正确的是（）A．1的立方根是±1B．4=±2C．9的平方根是±3D．0没有平方根-数学
• 若四个数的平方根是±下，则这个数的立方根是（）A．±2B．±4C．2D．4-数学
• I _____ you not to move my dictionary-now I can't find it. [ ]A. asked B. ask C. was asking D.
• 的平方根是（）。-八年级数学
• There they met two Indian monks who were Buddhist masters and ______ as educators without salary. [
• 9的平方根是______．-数学
• 如果x2=64，那么3x=______．-数学
• 25的平方根是______，16的算术平方根是______．-数学