数学教案-二次根式的加减法第二课时
下面是小编收集整理的数学教案-二次根式的加减法第二课时,本文共12篇,仅供参考,希望能够帮助到大家。 (一)教学过程 【复习提问】 1.同类二次根式的定义. 2.二次根式加减法的.法则. 3.加减运算中注意的问题. 【例题】 例1 判断: (1) ;( ) (2) ;( ) (3) ;( ) (4) ;( ) (5) .( ) (要求学生找出错误的原因,能进行加减运算的,要加以改正.) 例2
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