[IQ題] 那麼要把樽塞到半滿要多少天？

b10005

有一個樽，樽裡面有兩隻蝴蝶。假如每日蝴蝶以兩倍數(一隻變兩隻，第二天有四隻蝴蝶)繁殖，30天便把樽塞滿了，那麼要把樽塞到半滿要多少天？

b10005

有答案架...... 不過我level太低唔可以隱藏答案....... 我會send message俾答案你哋~~~

kelvingo935

29天咯...

b10005

3# kelvingo935
* J- D- d( A* ]4 M/ i, ^, K) s! l9 @1 ?
sent answer already

PeterCBWang

If the 29th  days will be 50% of the bottle, 30th day will be full (50% x 2 = 100%).公仔箱論壇1 V$ \/ ^1 n, h9 u; u6 Q' }! F) C
Answer is 29 days!tvb now,tvbnow,bttvb0 J8 b4 p( p0 B2 R, t* M3 j
plz answer

onlysherly

29天？？

b10005

sent answer to above all~~~