同步练习..........................................................................................................2二次根式..........................................................................................................2第 1 课时 二次根式（1）................................................................................2第 2 课时 二次根式(2)...................................................................................3第 3 课时 二次根式(3)...................................................................................3第 4 课时 二次根式的乘除（1）......................................................................4第 5 课时 二次根式的乘除（2）......................................................................6第 6 课时 二次根式的乘除(3)..........................................................................7第 7 课时 二次根式的加减(1)..........................................................................8第 8 课时 二次根式的加减(2)..........................................................................9第 9 课时 二次根式的加减(3)........................................................................10第 10 课时 第 21 章二次根式单元复习（1）......................................................12第 11 课时 第 21 章二次根式单元复习（2）......................................................13第 12 课时 二次根式全章练习........................................................................14第 13 课时 二次根式的加减...........................................................................17答案：.....................................................................................................19二次根式的乘除...............................................................................................22第 1 课时课堂练习......................................................................................22第 1 课时课堂练习答案.............................................................
