题目内容
（本题满分6分）计算：
．
解：原式
································································ 4分
．······························································································ 6分
解析:略
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名校课堂系列答案题目内容
（本题满分6分）计算：．
解：原式································································ 4分
．······························································································ 6分
解析:略
名校课堂系列答案
（2）
． 
+|1-
|+
．