呢題log數點計??????急急急!!!

👨🏻‍🏫 學術台數學

wingyan

2011-01-07 5:57 am

圖片參考：http://imgcld.yimg.com/8/n/HA00051509/o/701101060134313873437080.jpg

STEPS PLEASE!!
THX=]

更新1:

上面係8...3...49 下面係32...7

回答 (3)

用戶46949

2011-01-09 1:08 am

✔ 最佳答案

----------------------------------------------------------------------------------------------------------

圖片參考：http://img413.imageshack.us/img413/9193/log5.png

2011-01-08 17:08:21 補充：
http://img413.imageshack.us/img413/9193/log5.png

👍 0 👎 0

Larry

2011-01-07 6:16 am

我唔抄題目la 題目好難打===[log7^(2/3)/log2^3]÷[log7/log2^5]=[(2/3)log7/3log2] ÷[log7/5log2]=[(2/3)log7/3log2]×[5log2/log7]=[2/3)(5)]/3=10/9

參考: ME

👍 0 👎 0

[匿名]

2011-01-07 6:03 am

你自己唔識,就要問埋人地,你有無腦?好心你要戇尻就死撚埋一邊啦~~

(以上對話純屬家賓意見,和本人(kwo*******)立場無關。)

👍 0 👎 0