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数学
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lg9/lg3 是怎么计算的?lg4/lg2 这两个结果为什么一样?
人气:398 ℃ 时间:2020-05-14 23:12:59
解答
lg9/lg3 = lg(3^2)/lg3 = 2*lg3/lg3 = 2
lg4/lg2 = lg(2^2)/lg2 = 2*lg2/lg2 = 2
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