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[函数] 对数比大小$\log_34$与$\log_46$

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Tesla35 posted 2019-6-13 14:35 |Read mode

对数比大小$\log_34$与$\log_46$

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isee posted 2019-6-13 15:17

回复 1# Tesla35

forum.php?mod=viewthread&tid=4848

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kuing posted 2019-6-13 15:19

做乘法计算知 `4^7<3^9` 且 `4^9<6^7`，所以 `\log_34<9/7<\log_46`。

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kuing posted 2019-6-13 15:20

乘法计算做慢了两分钟

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isee posted 2019-6-13 15:24

回复 4# kuing

反正都是你写的

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kuing posted 2019-6-13 15:26

回复 5# isee

不但慢，还打错了呢，改了下

……

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