The answer is:; d5 e3 E. p. B& e7 g$ X+ Q2 h
. y; Q7 p8 B) F: F/ x( W1 }5.39.217.77If 1/9=0.1...(循環)5.39.217.77; S6 W0 E: W8 G1 d' `
and then 2/9=0.2....(循環)
# a- j& M' I4 S2 {& K2 h2 q$ r5.39.217.77and then 3/9=0.3....(循環)
9 M$ m9 _( d& q7 o: N9 X% x8 {5.39.217.77and then 4/9=0.4....(循環)3 G' x6 o- v @' w
.......5.39.217.77- E' w4 {/ s& V$ o0 G! e0 [1 A
and then 8/9=0.8....(循環)4 ]* _& a' ` h- y% F+ l7 l$ t
% q) ~. \3 S' p% D3 F3 C公仔箱論壇So, 9/9=0.9....(循環) =1 |