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1、学习必备欢迎下载中预年级数学暑假作业（7）含绝对值的方程和不等式班级学号姓名一、方程、方程组1、填空题（1）若05x，则 x=（2）若12 x，则 x=（3）若2x，则 x（4）若1xa有两个不同的解，则a 的取值范围是（5）根据绝对值的非负性，若1240 xy，则 xy=（6）根据绝对值的非负性，若02633232yxyx，则 x+y=2、解下列关于x 的方程（1）2381xx（2）0712x（3）1225xx（4）01552xx（5）952xx（用代数和几何两种方法求解）-第 1 页，共 4 页精品p d f 资料 可编辑资料-学习必备欢迎下载3、解方程组（1）25196217yxyx（2
2、）122yxyx4、解关于 x 的方程：（1）3548x(2)11110 x二、不等式1、填空题（1）若11xx，则 x 的取值范围是-第 2 页，共 4 页精品p d f 资料 可编辑资料-文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5
3、H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5
4、文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:C
5、U9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9
6、E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 H
7、X10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F
8、10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1
9、 ZE8B5H1W1N5学习必备欢迎下载（2）若211nxx（n 为正整数），则 x 的取值范围是（3）若05x，则 x 的取值范围是（4）若05x，则 x 的取值范围是（5）若05x，则 x 的取值范围是（6）若关于 x 的方程0 xa无解，则a 的取值范围是2、解下列关于x 的不等式（1）352xx（2）374371027x（3）321x（4）0225x（5）解不等式：952xx-第 3 页，共 4 页精品p d f 资料 可编辑资料-文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5
10、H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5
11、文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:C
12、U9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9
13、E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 H
14、X10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F
15、10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1
16、 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5学习必备欢迎下载三、综合创新1、(1)数轴上两点表示的有理数是a、b,求这两点之间的距离;(2)是否存在有理数x,使 x+1+x-3=x?(3)是否存在整数x,使 x-4+x-3 +x+3+x+4=14?如果存在,?求出所有的整数 x;如果不存在,说明理由.2、设 a、b 为有理数,且 a0,方程 x-a-b =3有三个不
17、相等的解,?求 b 的值.-第 4 页，共 4 页精品p d f 资料 可编辑资料-文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:C
18、U9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9
19、E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 H
20、X10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F
21、10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1
22、 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5文档编码:CU9X5X9E9A2 HX10B1F10Y7U1 ZE8B5H1W1N5