2019中考数学一轮复习第一部分教材同步复习第一章数与式第3讲实数的大小比较及运算权威预测.doc

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1第一部分 第一章 第 3 讲1比较大小:3_ (填“”)72计算:(4) 0( )1 | 2|tan60.12 3解:原式122 3 31.

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