0.9....(循環) = 1 [難題]

Pentagon

如何解釋:7 R' R6 c( m. d6 q4 W% |8 E
tvb now,tvbnow,bttvb, v6 i* k- |( T6 `) Y& a! h' A/ W* ~
0.9....(循環) = 1

Pentagon

The answer is:公仔箱論壇1 b  o- A, A) @
5.39.217.771 N" H  P- H, }# P. d4 i
If 1/9=0.1...(循環)
! N( z5 f7 J; g# s8 m" ?& T6 j  q! C, Htvb now,tvbnow,bttvband then 2/9=0.2....(循環)& j  P4 I7 ^. n2 F
and then 3/9=0.3....(循環)
6 C; a. X  l* Eand then 4/9=0.4....(循環). @/ R# q5 l# S" `: Z0 x
.......5.39.217.77: d" a; B* g% i0 @. N3 X
and then 8/9=0.8....(循環)5.39.217.77& ?8 R$ ~8 T, s- a# |. [' L) `+ Y
公仔箱論壇$ o( ]8 y9 M% [1 O0 f# I) ]6 q
So, 9/9=0.9....(循環) =1