化简(I)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415c2ad797b0d3d98a6b4c35e07aa698.png)
(Ⅱ)若正实数a,b满是log8a +log2b =5,log8b +1og2a =7,求log2 ab.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415c2ad797b0d3d98a6b4c35e07aa698.png)
(Ⅱ)若正实数a,b满是log8a +log2b =5,log8b +1og2a =7,求log2 ab.
更新时间:2016-12-03 18:44:11
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