[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 5.39.217.76) S" i3 o4 A' D; p9 o" X" P1 k
5.39.217.76- I" x- u  p- C0 ~
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; V# z5 H$ p+ X7 i
Answer is 29 days!公仔箱論壇4 m2 b% @; n( H2 ^, Z0 g3 }3 ~5 d
plz answer

onlysherly

29天？？

b10005

sent answer to above all~~~