题库搜索>问题求解PS-13357
If x2 – 2 < 0, which of the following specifies all the possible values of x ?
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
当前版本由 ya**** 更新于2015-12-25 10:10:04 感谢由 ya**** 对此题目的解答所做出的贡献。x^2<2 -根号2<x<根号2
x2 – 2 < 0, 得x2 < 2,两边开方 得结果为C
Softlipa
看成positive value谁懂。。
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