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（福建专版）2019春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2课时二次根式的混合运算课件（新版）新人教版.pptx

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第2课时 二次根式的混合运算,1.二次根式的混合运算,先算 ,再算 ,最后算 ,有括号的要去掉括号或者先算括号里面的. 2.下列计算正确的是( ).,乘方,乘除,加减,B,二次根式的混合运算,分析:先化简二次根式,再去括号,最后将被开方数相同的二次根式合并.,答案,答案,答案,答案,答案,答案,

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