The answer is:
% A$ S# x. z# j2 w0 g( `公仔箱論壇
! {8 A; ]/ F: WIf 1/9=0.1...(循環)5 y4 P: f: i( P6 f' z
and then 2/9=0.2....(循環)
7 y3 H; M# n) v S' @ T: Y, kand then 3/9=0.3....(循環)' i" i6 X; f! B) L8 g, x; B
and then 4/9=0.4....(循環)& U8 ]# t; B* k. }9 A% l$ e- y
.......
& @5 J6 j) J- @4 I/ S$ r/ Mand then 8/9=0.8....(循環)
/ {+ [, |3 ~0 }: c+ z; T公仔箱論壇( C2 `3 D) V* `5 x6 q
So, 9/9=0.9....(循環) =1 |