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1、-1-实数练习题一选择题:1下列命题错误的是（）A、3是无理数 B、1 是无理数 C、23是分数 D、2是无限不循环小数2.下列各数中，一定是无理数的是（）A、带根号的数 B、无限小数 C、不循环小数 D、无限不循环小数3下列实数317，3.141 59，8，327，21中无理数有（）2个3个4个5个4下列各式中，无论x取何实数，都没有意义的是（）2 006x22 0061x22 006x32 0063x5下列各组数中互为相反数的一组是（）2与384与2(4)32与322与126.在实数范围内，下列判断正确的是（）A、若baba则,B、若baba则,2C、若22,baba则 D、若baba则,
2、337ba,的位置如图所示，则下列各式中有意义的是（）.A、baB、baC、abD、ab8全体小数所在的集合是（）.A、分数集合B、有理数集合C、无理数集合D、实数集合9等式1112xxx成立的条件是（）.A、1xB、1xC、11xD、11或x10若64611)23(3x，则x等于（）.A、21B、41C、41D、49abo精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页，共 4 页 -2-二填空题:1.一个数的平方等于它的本身的数是 平方根等于它的本身的数是 算术平方根等于它的本身的数是 立方根等于它的本身的数是 大于 0 且小于的整数是 满足21x 15的整数 x 是2.到原点的距离为3
3、4的点表示的数是；7.若32x，则 x=，3.实数与数轴上的点 9写出3和2之间的所有的整数为_ 4比较大小：2 11_ 3 55把下列各数分别填在相应的括号内：5，3，0，34，0.3，227，1.732，25，316，31，27，2，329，0.101 001 000 1L整数分数正数负数；有理数；无理数；6计算：22 3(4)2 3_7点A的坐标是(2 2 3)，将点A向下平移3个单位长度，再向右平移2个单位长度，得点B，则点B的坐标是 _8点A在数轴上和原点相距3个单位，点B在数轴上和原点相距5个单位，则A，B两点之间的距离是 _9如果a是15的整数部分，b是15的小数部分，ab=_1
4、0 如图 1，甲边形ABCD是正方形，且点AB，在x轴上，求顶点C和D的坐标11、36 的平方根是；16的算术平方根是；8 的立方根是；32712、37的相反数是；绝对值等于3的数是13、2 3的倒数的平方是，2 的立方根的倒数的立方是14、23的绝对值是，13111的绝对值是15、9 的平方根的绝对值的相反数是精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页，共 4 页 -文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1
5、S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 Z
6、O4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4
7、V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档
8、编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7
9、Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y
10、5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 H
11、L5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3-3-16、23的相反数是，23的相反数的绝对值是17、27的绝对值与726的相反数之和的倒数的平方为18现有四个无理数8765，其中在12与13之间的有 _ 19.无限小数包括无限循环小数和，其中是有理数，是无理数.20如果102x，则x是一个数，x的整数部分是 .2164的平方根是，立方根是 .2251的相反数是，绝对值是 .23若xx则6当 x_ 时，32x有意义；24当_x时，
12、x11有意义；25若一个正数的平方根是12a和2a，则_a，这个正数是；26当10 x时，化简_12xx;三、解答题1.比较数的大小（1）2332与（2）11253与（3）1325与（4）6756与2化简：2332213已知ba,是实数，且有0)2(132ba，求ba,的值.精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页，共 4 页 -文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编
13、码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y
14、10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5
15、X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL
16、5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S
17、5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO
18、4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V
19、9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3-4-4.若|2x+1|与xy481互为相反数，则xy 的平方根的值是多少？5 已知ba,为有理数，且3)323(2ba，求ba的平方根6计算：（1）2551（2）103104（3）232423（4）81214150232（5）32562719483127若054yxx，求xy的值.8若1210mn，求20004mn的值。a b o c x 精品资料-欢迎下载-欢迎下载 名师归纳-第 4 页，共 4 页 -文档编码:CG7
20、Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y
21、5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 H
22、L5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1
23、S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 Z
24、O4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4
25、V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3文档编码:CG7Y10C2Y5X10 HL5W3F1S5Y3 ZO4G7C4V9B3