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2019年八年级数学下册第十六章二次根式16.3二次根式的加减第1课时二次根式的加减运算课件（新版）新人教版.ppt

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2019年八年级数学下册第十六章二次根式16.3二次根式的加减第1课时二次根式的加减运算课件（新版）新人教版.ppt_第1页
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2019年八年级数学下册第十六章二次根式16.3二次根式的加减第1课时二次根式的加减运算课件（新版）新人教版.ppt_第3页
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16.3 二次根式的加减 第1课时 二次根式的加减运算,二次根式加减时,可以先将二次根式化成 ,再将被开方数相同的二次根式进行 .,最简二次根式,合并,知识点:二次根式的加减运算,【思路点拨】先把各个二次根式化简成最简二次根式,再找出式子中的被开方数相同的二次根式,最后合并.,【思路点拨】先把各个二次根式化简成最简二次根式,再找出式子中的被开方数相同的二次根式,最后合并;注意去括号.,B,C,1,

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