[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
3 L7 W1 o3 m+ r# c6 V# U0 J5.39.217.77:88984 \) B) y- p# D% w/ M+ u
sent answer already

PeterCBWang

If the 29th  days will be 50% of the bottle, 30th day will be full (50% x 2 = 100%).
2 t  T) T! {- T; N0 x1 FAnswer is 29 days!
4 p/ W, i4 M: U# gplz answer

onlysherly

29天？？

b10005

sent answer to above all~~~