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1、1 八年级数学下第2 章 二次根式的乘除练习最简二次根式：（1）被开方数不含分母；（2）被开方数不含开得尽方的因数或因式。A：二次根式的乘法运算法则：ab=ab（a0，b0）例 1 计算：（1）35（2）3127（3）1027321例 2 计算（1）714（2）10253（3）33324ba；练习（1）62（2）324；（3）102；（4）123；（5）721288；（6）xxy12；（7）ba12223；例 3 比校大小（1）32与23（2）65与56检测：计算（1）ba4332（2）183125（3）52)23()32(22精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页，共 8 页 -
2、2 B：二次根式的除法运算法则：ba=ba（a0，b0）例 1 计算：（1）324（2）23181（3）35107.2103例 2 化简（1）1003（2）2925xy（3）aa62（8）34例 3 计算（1）53（2）2723（3）a28（7）5.1练习：（1）218（2）672（3）503（4）40检测：（1）97103.1102.5（2）67（3）2842（4）abb205（5）403107（6）627（7）4.1312321（8）abbaabba?4精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页，共 8 页 -文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6
3、Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9
4、 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6
5、Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9
6、 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6
7、Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9
8、 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6
9、Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S93 二次根式的乘除检测一、选择：1、计算：36的结果是 ()A、12 B、62 C、32 D、2 2、化简20032002)23()23(?的结果为（）(A)1 (B)23 (C)23 (D)233、若xxxx?32)3)(2(成立。则 x 的取值范围为：（）（A）x2 （B）x3 （C）2x3 （D）2 x3 4、下列说法正确的是()A、若aa2,则 a0 B、若aa2,则 a0 C、4284baba D、5 的平方根是55、
10、把代数式11)1(aa中的（a）移到根号内，那么这个代数式等于（）Aa1B1aCa1D 1a6要使2x12x1=)12)(12(xx成立，则 x 的取值范围是()Ax12Bx12C12x12D 任何实数7、已知 xy0,化简二次根式2xyx的正确结果是()A.y B.y C.-y D.-y8、已知二次根式2x 的值为 3，那么 x 的值是（）A、3 B、9 C、-3 D、3 或-3 9、若15a，55b，则ab、两数的关系是（）A、ab B、5ab C、ab、互为相反数D、ab、互为倒数二、填空：1化简：3228=2、若 ab0,则化简ba2的结果是 _.3、若正三角形的边长为2 5cm，则这
11、个正三角形的面积是_cm2。4、若三角形的面积为6,一边长为2 2,则这边上的高为 _.精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页，共 8 页 -文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A
12、3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编
13、码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A
14、3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编
15、码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A
16、3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编
17、码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S94 5、一个矩形的面积为6 2,其中一边长为6,则另一边长为 _;6、一个等腰三角形的周长为1024,腰长为7 6,则底边的长度为 _.7、一张面积为 72cm的正方形纸片的边长为 _;cm8、要建造一个面
18、积为231.4()a m的圆形形花坛,其半径是 _(3.14);m p 取三、解答题：1、计算(1)83338 (2)521002.0102.3 (3)25(3)46102.0108.1.(4)508632 (5)1043(53544?（6）（)812(3（7）)218(622.解方程(1)4 3x=80-(2)3x3=x33、已知，0)35(332ba，求ab的值。精品资料-欢迎下载-欢迎下载 名师归纳-第 4 页，共 8 页 -文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档
19、编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2
20、A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档
21、编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2
22、A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档
23、编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2
24、A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档
25、编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S95 八年级数学下-第 2 章二次根式的加减同类二次根式：被开方数相同的二次根式。二次根式加减时：先将二次根式，再将二次根式进行合并。合并同类根式时，根式部分不变，只将其前面的有理数（式）进行合并。例 1 计算（1）aa259（2）4580 (3)3122488 例 2 计算（1）483316122（2）)53()2012(3)8322 (4)32215816（5）8322 (6)32215816（7）26327；（8）6)3383(?；（9）3)2748(（10）（)2233)(3322（11）（22）（223）精品资
26、料-欢迎下载-欢迎下载 名师归纳-第 5 页，共 8 页 -文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 Z
27、X7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7
28、T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 Z
29、X7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7
30、T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 Z
31、X7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7
32、T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S96 检测：1、比较的大小（平方法）2、已知 x=3，求代数式（x-2）-（x-2)2(x+2)+23的值.3、已知 a=3+2，b=3-2，求 a2-ab+b2的值。4、计算(1)13279（2）(23）2(23）2(2 3）2(3)、3122488 (4)22)31()31(5)913.0)31(
33、22137146和精品资料-欢迎下载-欢迎下载 名师归纳-第 6 页，共 8 页 -文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 H
34、K5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5
35、S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 H
36、K5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5
37、S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 H
38、K5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5
39、S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S97 二次根式的加减的检测一、选择：1、若4512x的值为80则 x 的值为（）A 2 B3 C2 D3 2、下列计算正确的是（）A156 B 2818 C5252 D16623、计算72)128(3的值为（）A212 B 212 C 36 D 364、23与23的关系是（）A
40、相等 B 互为相反数 C互为倒数 D 互为负倒数二、填空：1、当 x23时，x24x2005_。2、计算：104090_ 3、若直角三角形的两条直角边分别为32与22，则三角形的周长为4、若23x，求2221xxx的值为5、若2725xx，求25xx的值为三、解答题：1、计算：(1)、8322 (2)、(1 2)(1 3)（3）12243212(4)13279 (5)12(6)(242)23 (6)455112()3127(精品资料-欢迎下载-欢迎下载 名师归纳-第 7 页，共 8 页 -文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B
41、3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P
42、4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B
43、3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P
44、4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B
45、3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P
46、4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B
47、3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S98 2、解方程：(31)(31)x 1824 3、已知：a25，b25求a2abb2的值4、已知,12,21xy=-=+5、已知232,32xyyx，求222yxyx的值.求 x+y 的值。6、已知：6,52baba，分别求下列代数式的值：（1）22a bab；（2）22aabb 7阅读下面解题过程：232323)2()3(23)23)(23()23(123122，343434)3()4(34)34)(34()34(134122。请回答下列问题：（）观察上面的解
48、题过程，请直接写出11nn的结果为；（）化简：211321431200720061200620051精品资料-欢迎下载-欢迎下载 名师归纳-第 8 页，共 8 页 -文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9
49、HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q
50、5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9 HK5D2A3I3T9 ZX7P4J6Q5S9文档编码:CA1L7T5B3N9