0.9....(循環) = 1 [難題]

Pentagon

如何解釋:www2.tvboxnow.com9 _; S+ Y/ K8 A+ K1 p% \. ~2 A

9 a8 v' D8 M/ j0.9....(循環) = 1

Pentagon

The answer is:
# v' w' A" a/ ]tvb now,tvbnow,bttvb
4 Z4 S1 \+ N  b9 p6 Utvb now,tvbnow,bttvbIf 1/9=0.1...(循環)
0 D. s# t" J3 C  W: `tvb now,tvbnow,bttvband then 2/9=0.2....(循環)tvb now,tvbnow,bttvb" x$ p+ ~8 N/ R/ }$ M5 ], T0 p
and then 3/9=0.3....(循環)
* X5 ^7 Z' N' E# y( }4 S- h公仔箱論壇and then 4/9=0.4....(循環)公仔箱論壇2 W9 h: w7 V4 w
.......
( `# Q1 t" a) A- A9 j4 Qtvb now,tvbnow,bttvband then 8/9=0.8....(循環)
- e# W0 P4 X, z( u' }0 ?www2.tvboxnow.comtvb now,tvbnow,bttvb1 G& |, k7 t, M
So, 9/9=0.9....(循環) =1