log64除log16的值是多少?

log 64 ÷ log 16
= log 43 ÷ log 42
= 3 log 4 ÷ 2 log 4
= 3 ÷ 2
= 1.5

2006-12-30 22:50:46 補充：
上面的人兄所做的是錯的

唔係 bor... 64 邊係 2^8 呀???
照返上面位仁兄的計法...

log64/log16
=log2^6 / log2^4
=6log2/4log2
=6/4
=1.5

用計數機計都係計到呢個答案 =P

log 64 / log 16

= log 2^6 / log 2^4

= 6 log 2 / 4 log 2

= 1.5