来自郭和平的问题
函数y=log12(x2−1)−−−−−−−−−−−√的定义域为（）。A.(−2√,−1)∪(1,2√)B.(−2,1)∪(1,2)C.[−2,−1)∪(1,2]D.[−2√,−1)∪(1,2√]
函数y=log12(x2−1)−−−−−−−−−−−√的定义域为（ ）。A.(−2√,−1)∪(1,2√)B.(−2,1)∪(1,2)C.[−2,−1)∪(1,2]D.[−2√,−1)∪(1,2√]
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2019-06-23 09:13