唔識做功課51
(4 log x - log x^2 y) / (log x - log y^1/2)
回答 (2)
真係救命!我原來唔識將分子個log y 轉成2分1次方,所以就計唔到......哩課有好多變化呀!好難!!!
2015-03-04 19:42:46 補充:
係呀!我唔識轉( 2a + b ) 嗰種......學校上堂教1日之後就不停測驗,我巳經3次唔合格,自己操咗幾日已學六七種方法,依家又再記新嘢,我就暈喇!>o
收錄日期: 2021-04-15 18:28:08
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